jQuery.min.js ➔ x   F
last analyzed

Complexity

Conditions 41

Size

Total Lines 1
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 1
c 0
b 0
f 0
dl 0
loc 1
rs 0
cc 41

How to fix   Complexity   

Complexity

Complex classes like jQuery.min.js ➔ x often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.

Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.

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/*! jQuery v1.11.2 | (c) 2005, 2014 jQuery Foundation, Inc. | jquery.org/license */
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c){try{c="true"===c?!0:"false"===c?!1:"null"===c?null:+c+""===c?+c:M.test(c)?m.parseJSON(c):c}catch(e){}m.data(a,b,c)}else c=void 0}return c}function P(a){var b;for(b in a)if(("data"!==b||!m.isEmptyObject(a[b]))&&"toJSON"!==b)return!1;
0 ignored issues
show
Comprehensibility introduced by
Usage of the sequence operator is discouraged, since it may lead to obfuscated code.

The sequence or comma operator allows the inclusion of multiple expressions where only is permitted. The result of the sequence is the value of the last expression.

This operator is most often used in for statements.

Used in another places it can make code hard to read, especially when people do not realize it even exists as a seperate operator.

This check looks for usage of the sequence operator in locations where it is not necessary and could be replaced by a series of expressions or statements.

var a,b,c;

a = 1, b = 1,  c= 3;

could just as well be written as:

var a,b,c;

a = 1;
b = 1;
c = 3;

To learn more about the sequence operator, please refer to the MDN.

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Coding Style Best Practice introduced by
By convention, constructors like qb should be capitalized.
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Best Practice introduced by
Comparing null to k.deleteExpando using the == operator is not safe. Consider using === instead.
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Unused Code introduced by
The variable b seems to be never used. Consider removing it.
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Bug introduced by
The variable m seems to not be initialized for all possible execution paths.
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Bug introduced by
The variable d seems to not be initialized for all possible execution paths. Are you sure inArray handles undefined variables?
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Bug introduced by
The variable f seems to not be initialized for all possible execution paths.
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Unused Code introduced by
The loop variable c is initialized by the loop but not used in the test. Consider using another type of loop if this is the intended behavior.
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Best Practice introduced by
Comparing null to e using the == operator is not safe. Consider using === instead.
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Complexity Coding Style introduced by
You seem to be assigning a new value to the loop variable q here. Please check if this was indeed your intention. Even if it was, consider using another kind of loop instead.
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Bug introduced by
The variable e seems to not be initialized for all possible execution paths.
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introduced by
The for in loop does not have a body. Maybe you have misplaced a semicolon. If you do wish to have a loop without a body, use an empty body {}.
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Bug introduced by
The variable k does not seem to be initialized in case e > 1 on line 2 is false. Are you sure the function resolveWith handles undefined variables?
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Unused Code introduced by
The assignment to variable c seems to be never used. Consider removing it.
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Unused Code introduced by
The assignment to a seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Bug introduced by
The variable b seems to not be initialized for all possible execution paths.
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Bug introduced by
The variable f is changed as part of the for loop for example by f++ on line 2. Only the value of the last iteration will be visible in this function if it is called after the loop.
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Best Practice introduced by
Comparing null to t using the == operator is not safe. Consider using === instead.
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Complexity Best Practice introduced by
There is no return statement if a === !0 ? !(--m.readyWait): !m.isReady is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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introduced by
You have used a bitwise operator & in a condition. Did you maybe want to use the logical operator &&
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Best Practice introduced by
Comparing null to a using the == operator is not safe. Consider using === instead.
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Complexity Best Practice introduced by
There is no return statement if "undefined" != typeof b.getElementById && p is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to a.getAttribute("disabled") using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
Comparing null to b = a.getAttribute("type") using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
Comparing null to a.frameElement using the == operator is not safe. Consider using === instead.
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Unused Code introduced by
The assignment to b seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Best Practice introduced by
Comparing null to l = u.q using the != operator is not safe. Consider using !== instead.
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Bug introduced by
The variable b is changed as part of the for loop for example by b++ on line 2. Only the value of the last iteration will be visible in this function if it is called after the loop.
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Bug introduced by
The variable event seems to be never declared. If this is a global, consider adding a /** global: event */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Coding Style introduced by
Consider using undefined instead of void(0). It is equivalent and more straightforward to read.
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Bug introduced by
The variable k does not seem to be initialized in case j = o.0 = o.0.slice(0), ... && d.relative.j.1.type on line 2 is true. Are you sure this can never be the case?
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Complexity Best Practice introduced by
There is no return statement if !m.isReady is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable L seems to not be initialized for all possible execution paths.
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Best Practice introduced by
Comparing null to e = arguments.h using the != operator is not safe. Consider using !== instead.
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Complexity Best Practice introduced by
There is no return statement if q is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

Loading history...
Best Practice introduced by
Comparing null to a using the != operator is not safe. Consider using !== instead.
Loading history...
Best Practice introduced by
Comparing null to b using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to d using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
There is no return statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding return undefined; explicitly.
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introduced by
The while loop does not have a body. Maybe you have misplaced a semicolon. If you do wish to have a loop without a body, use an empty body {}.
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Bug introduced by
The variable n does not seem to be initialized in case s && j = b.u || b.u = {}.a && j.0 === w on line 2 is false. Are you sure this can never be the case?
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Bug introduced by
The variable p seems to not be initialized for all possible execution paths.
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3
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c=Jb(a,"opacity");return""===c?"1":c}}}},cssNumber:{columnCount:!0,fillOpacity:!0,flexGrow:!0,flexShrink:!0,fontWeight:!0,lineHeight:!0,opacity:!0,order:!0,orphans:!0,widows:!0,zIndex:!0,zoom:!0},cssProps:{"float":k.cssFloat?"cssFloat":"styleFloat"},style:function(a,b,c,d){if(a&&3!==a.nodeType&&8!==a.nodeType&&a.style){var e,f,g,h=m.camelCase(b),i=a.style;if(b=m.cssProps[h]||(m.cssProps[h]=Ub(i,h)),g=m.cssHooks[b]||m.cssHooks[h],void 0===c)return g&&"get"in g&&void 0!==(e=g.get(a,!1,d))?e:i[b];if(f=typeof c,"string"===f&&(e=Qb.exec(c))&&(c=(e[1]+1)*e[2]+parseFloat(m.css(a,b)),f="number"),null!=c&&c===c&&("number"!==f||m.cssNumber[h]||(c+="px"),k.clearCloneStyle||""!==c||0!==b.indexOf("background")||(i[b]="inherit"),!(g&&"set"in g&&void 0===(c=g.set(a,c,d)))))try{i[b]=c}catch(j){}}},css:function(a,b,c,d){var e,f,g,h=m.camelCase(b);return b=m.cssProps[h]||(m.cssProps[h]=Ub(a.style,h)),g=m.cssHooks[b]||m.cssHooks[h],g&&"get"in g&&(f=g.get(a,!0,c)),void 0===f&&(f=Jb(a,b,d)),"normal"===f&&b in Sb&&(f=Sb[b]),""===c||c?(e=parseFloat(f),c===!0||m.isNumeric(e)?e||0:f):f}}),m.each(["height","width"],function(a,b){m.cssHooks[b]={get:function(a,c,d){return c?Ob.test(m.css(a,"display"))&&0===a.offsetWidth?m.swap(a,Rb,function(){return Yb(a,b,d)}):Yb(a,b,d):void 0},set:function(a,c,d){var e=d&&Ib(a);return Wb(a,c,d?Xb(a,b,d,k.boxSizing&&"border-box"===m.css(a,"boxSizing",!1,e),e):0)}}}),k.opacity||(m.cssHooks.opacity={get:function(a,b){return Nb.test((b&&a.currentStyle?a.currentStyle.filter:a.style.filter)||"")?.01*parseFloat(RegExp.$1)+"":b?"1":""},set:function(a,b){var c=a.style,d=a.currentStyle,e=m.isNumeric(b)?"alpha(opacity="+100*b+")":"",f=d&&d.filter||c.filter||"";c.zoom=1,(b>=1||""===b)&&""===m.trim(f.replace(Mb,""))&&c.removeAttribute&&(c.removeAttribute("filter"),""===b||d&&!d.filter)||(c.filter=Mb.test(f)?f.replace(Mb,e):f+" "+e)}}),m.cssHooks.marginRight=Lb(k.reliableMarginRight,function(a,b){return b?m.swap(a,{display:"inline-block"},Jb,[a,"marginRight"]):void 0}),m.each({margin:"",padding:"",border:"Width"},function(a,b){m.cssHooks[a+b]={expand:function(c){for(var d=0,e={},f="string"==typeof c?c.split(" "):[c];4>d;d++)e[a+T[d]+b]=f[d]||f[d-2]||f[0];return e}},Gb.test(a)||(m.cssHooks[a+b].set=Wb)}),m.fn.extend({css:function(a,b){return V(this,function(a,b,c){var d,e,f={},g=0;if(m.isArray(b)){for(d=Ib(a),e=b.length;e>g;g++)f[b[g]]=m.css(a,b[g],!1,d);return f}return void 0!==c?m.style(a,b,c):m.css(a,b)},a,b,arguments.length>1)},show:function(){return Vb(this,!0)},hide:function(){return Vb(this)},toggle:function(a){return"boolean"==typeof a?a?this.show():this.hide():this.each(function(){U(this)?m(this).show():m(this).hide()})}});function Zb(a,b,c,d,e){return new Zb.prototype.init(a,b,c,d,e)
0 ignored issues
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Unused Code introduced by
The assignment to h seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Best Practice introduced by
Comparing null to e = h.g using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to b.charCode using the != operator is not safe. Consider using !== instead.
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Bug introduced by
The variable c seems to not be initialized for all possible execution paths.
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Bug introduced by
The variable i does not seem to be initialized in case !e && !k.noBubble && !m.isWindow(d) on line 3 is false. Are you sure this can never be the case?
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Bug introduced by
The variable k does not seem to be initialized in case h = l = d = d || y, 3 !=...gger.apply(d, c) !== !1 on line 3 is true. Are you sure this can never be the case?
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Best Practice introduced by
Comparing null to g using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable g does not seem to be initialized in case h = l = d = d || y, 3 !=...gger.apply(d, c) !== !1 on line 3 is true. Are you sure this can never be the case?
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Best Practice introduced by
Comparing null to a using the == operator is not safe. Consider using === instead.
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Unused Code introduced by
The assignment to d seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Best Practice introduced by
Comparing null to d = c.e using the != operator is not safe. Consider using !== instead.
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Coding Style introduced by
Consider using undefined instead of void(0). It is equivalent and more straightforward to read.
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Best Practice introduced by
Comparing null to f using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
Comparing null to h using the == operator is not safe. Consider using === instead.
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Comprehensibility introduced by
Usage of the sequence operator is discouraged, since it may lead to obfuscated code.

The sequence or comma operator allows the inclusion of multiple expressions where only is permitted. The result of the sequence is the value of the last expression.

This operator is most often used in for statements.

Used in another places it can make code hard to read, especially when people do not realize it even exists as a seperate operator.

This check looks for usage of the sequence operator in locations where it is not necessary and could be replaced by a series of expressions or statements.

var a,b,c;

a = 1, b = 1,  c= 3;

could just as well be written as:

var a,b,c;

a = 1;
b = 1;
c = 3;

To learn more about the sequence operator, please refer to the MDN.

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Bug introduced by
The variable Jb seems to not be initialized for all possible execution paths. Are you sure swap handles undefined variables?
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Unused Code introduced by
The assignment to variable d seems to be never used. Consider removing it.
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Complexity Best Practice introduced by
There is no return statement if m.acceptData(a) is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to c using the == operator is not safe. Consider using === instead.
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Complexity Best Practice introduced by
There is no return statement if this !== cb() && this.focus is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to c using the != operator is not safe. Consider using !== instead.
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Complexity Best Practice introduced by
There is no return statement if b is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Complexity Best Practice introduced by
There is no return statement if k && j.k && e || j.k.dat...| "string" != typeof b is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to b.clientX using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to a using the != operator is not safe. Consider using !== instead.
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Unused Code introduced by
The assignment to variable i seems to be never used. Consider removing it.
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Complexity Best Practice introduced by
There is no return statement if h = l = d = d || y, 3 !=...gger.apply(d, c) !== !1 is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to a.pageX using the == operator is not safe. Consider using === instead.
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Complexity Best Practice introduced by
There is no return statement if f = typeof c , "string" ...=== c = g.set(a, c, d)) is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable e does not seem to be initialized in case this.length && e = m.dat..._data(f, "parsedAttrs") on line 3 is false. Are you sure this can never be the case?
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Bug introduced by
The variable i seems to not be initialized for all possible execution paths. Are you sure extend handles undefined variables?
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Best Practice introduced by
Comparing null to e using the == operator is not safe. Consider using === instead.
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Complexity Coding Style introduced by
You seem to be assigning a new value to the loop variable d here. Please check if this was indeed your intention. Even if it was, consider using another kind of loop instead.
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Complexity Best Practice introduced by
There is no return statement if i.0 = a, a.delegateTarge...ch.call(this, a) !== !1 is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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introduced by
You have used a bitwise operator & in a condition. Did you maybe want to use the logical operator &&
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Coding Style Comprehensibility Best Practice introduced by
Empty catch clauses should be used with caution; consider adding a comment why this is needed.
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Unused Code introduced by
The assignment to variable h seems to be never used. Consider removing it.
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Best Practice introduced by
Comparing null to b using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
There is no return statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding return undefined; explicitly.
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Best Practice introduced by
Comparing null to a.which using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
Comparing null to c = a.d using the != operator is not safe. Consider using !== instead.
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Unused Code introduced by
The assignment to c seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Unused Code introduced by
The assignment to e seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
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Bug introduced by
The variable e does not seem to be initialized in case b = m.cssProps.h || m.cs...sHooks.h, void(0) === c on line 3 is true. Are you sure this can never be the case?
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Best Practice introduced by
Comparing null to k.deleteExpando using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable f seems to not be initialized for all possible execution paths.
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Complexity Coding Style introduced by
You seem to be assigning a new value to the loop variable q here. Please check if this was indeed your intention. Even if it was, consider using another kind of loop instead.
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Best Practice introduced by
Comparing null to d = a.h using the != operator is not safe. Consider using !== instead.
Loading history...
Bug introduced by
The variable d seems to not be initialized for all possible execution paths.
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Best Practice introduced by
Comparing null to c = d.e using the != operator is not safe. Consider using !== instead.
Loading history...
Bug introduced by
The function i is declared conditionally. This is not supported by all runtimes. Consider moving it to root scope or using var i = function() { /* ... */ }; instead.
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Best Practice introduced by
Comparing null to d using the == operator is not safe. Consider using === instead.
Loading history...
Complexity Best Practice introduced by
There is no return statement if null != c is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

Loading history...
Best Practice introduced by
Comparing null to a = this.b using the != operator is not safe. Consider using !== instead.
Loading history...
Complexity Best Practice introduced by
There is no return statement if a && 3 !== a.nodeType &&...= a.nodeType && a.style is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

Loading history...
Unused Code introduced by
The assignment to a seems to be never used. If you intend to free memory here, this is not necessary since the variable leaves the scope anyway.
Loading history...
4
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0 ignored issues
show
Complexity Best Practice introduced by
There is no return statement if f is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable e seems to be never initialized.
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Best Practice introduced by
There is no return statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding return undefined; explicitly.
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Complexity Coding Style introduced by
You seem to be assigning a new value to the loop variable c here. Please check if this was indeed your intention. Even if it was, consider using another kind of loop instead.
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Bug introduced by
The variable j seems to not be initialized for all possible execution paths.
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Bug introduced by
The variable i seems to not be initialized for all possible execution paths. Are you sure d handles undefined variables?
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Complexity Best Practice introduced by
There is no return statement if a.crossDomain is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable e does not seem to be initialized in case a && 3 !== f && 8 !== f && 2 !== f on line 4 is true. Are you sure this can never be the case?
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Complexity Best Practice introduced by
There is no return statement if this.0 is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Best Practice introduced by
Comparing null to b.left using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to c(a, b, d) using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to b.top using the != operator is not safe. Consider using !== instead.
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Best Practice introduced by
Comparing null to a using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable d does not seem to be initialized in case a && 3 !== g && 8 !== g && 2 !== g on line 4 is true. Are you sure this can never be the case?
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Complexity Best Practice introduced by
There is no return statement if a && 3 !== g && 8 !== g && 2 !== g is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Complexity Best Practice introduced by
There is no return statement if a && 3 !== f && 8 !== f && 2 !== f is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable ActiveXObject seems to be never declared. If this is a global, consider adding a /** global: ActiveXObject */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Best Practice introduced by
Comparing null to c using the == operator is not safe. Consider using === instead.
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Complexity Best Practice introduced by
There is no return statement if !k.radioValue && "radio"... m.nodeName(a, "input") is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable f seems to not be initialized for all possible execution paths.
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Best Practice introduced by
Comparing null to k.crossDomain using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable u seems to not be initialized for all possible execution paths. Are you sure Pc handles undefined variables?
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Coding Style Comprehensibility Best Practice introduced by
Empty catch clauses should be used with caution; consider adding a comment why this is needed.
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Complexity Best Practice introduced by
There is no return statement if !a.crossDomain || k.cors is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

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Bug introduced by
The variable g seems to not be initialized for all possible execution paths.
Loading history...
Best Practice introduced by
Comparing null to a using the != operator is not safe. Consider using !== instead.
Loading history...
Best Practice introduced by
Comparing null to b using the != operator is not safe. Consider using !== instead.
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Bug introduced by
The variable h seems to not be initialized for all possible execution paths. Are you sure d handles undefined variables?
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Bug introduced by
The variable r seems to not be initialized for all possible execution paths.
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Comprehensibility introduced by
Usage of the sequence operator is discouraged, since it may lead to obfuscated code.

The sequence or comma operator allows the inclusion of multiple expressions where only is permitted. The result of the sequence is the value of the last expression.

This operator is most often used in for statements.

Used in another places it can make code hard to read, especially when people do not realize it even exists as a seperate operator.

This check looks for usage of the sequence operator in locations where it is not necessary and could be replaced by a series of expressions or statements.

var a,b,c;

a = 1, b = 1,  c= 3;

could just as well be written as:

var a,b,c;

a = 1;
b = 1;
c = 3;

To learn more about the sequence operator, please refer to the MDN.

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Best Practice introduced by
Comparing null to a.elem.style.m.cssProps.a.prop using the != operator is not safe. Consider using !== instead.
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Bug introduced by
The variable b does not seem to be initialized in case 2 === t on line 4 is false. Are you sure this can never be the case?
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Best Practice introduced by
Comparing null to h.unqueued using the == operator is not safe. Consider using === instead.
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Best Practice introduced by
Comparing null to e using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable e seems to not be initialized for all possible execution paths.
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Coding Style introduced by
Consider using undefined instead of void(0). It is equivalent and more straightforward to read.
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Best Practice introduced by
Comparing null to b using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable DOMParser seems to be never declared. If this is a global, consider adding a /** global: DOMParser */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Best Practice introduced by
Comparing null to a.elem.style.a.prop using the != operator is not safe. Consider using !== instead.
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Performance Best Practice introduced by
Using new Function() to create a function is slow and difficult to debug. Such functions do not create a closure. Consider using another way to define your function.
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introduced by
The result of the property access to d.scrollHeight is not used.
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Complexity introduced by
A for in loop automatically includes the property of any prototype object, consider checking the key using hasOwnProperty.

When iterating over the keys of an object, this includes not only the keys of the object, but also keys contained in the prototype of that object. It is generally a best practice to check for these keys specifically:

var someObject;
for (var key in someObject) {
    if ( ! someObject.hasOwnProperty(key)) {
        continue; // Skip keys from the prototype.
    }

    doSomethingWith(key);
}
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Best Practice introduced by
Comparing null to a.elem.a.prop using the == operator is not safe. Consider using === instead.
Loading history...
Complexity Best Practice introduced by
There is no return statement if e is false. Are you sure this is correct? If so, consider adding return; explicitly.

This check looks for functions where a return statement is found in some execution paths, but not in all.

Consider this little piece of code

function isBig(a) {
    if (a > 5000) {
        return "yes";
    }
}

console.log(isBig(5001)); //returns yes
console.log(isBig(42)); //returns undefined

The function isBig will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly return undefined.

This behaviour may not be what you had intended. In any case, you can add a return undefined to the other execution path to make the return value explicit.

Loading history...
Bug introduced by
The variable define seems to be never declared. If this is a global, consider adding a /** global: define */ comment.

This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.

To learn more about declaring variables in Javascript, see the MDN.

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Bug introduced by
The variable s seems to not be initialized for all possible execution paths.
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Best Practice introduced by
Comparing null to d.queue using the == operator is not safe. Consider using === instead.
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Bug introduced by
The variable c does not seem to be initialized in case e on line 4 is true. Are you sure this can never be the case?
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5