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/** global: UB */ |
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var numberFuncs = { |
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isOdd: function(){ |
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var val = this; |
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return (val % 2) != 0; |
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}, |
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isEven: function(){ |
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var val = this; |
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return (val % 2) === 0; |
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}, |
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isPositive: function(){ |
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var val = this; |
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return (val > 0); |
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}, |
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isNegative: function(){ |
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var val = this; |
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return (val < 0); |
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}, |
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isNear: function(target, near = 1){ |
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var val = this; |
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return val >= (target - near) && val <= (target + near); |
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}, |
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isNaN: function(){ |
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var val = this; |
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return val != val || isNaN(val); |
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}, |
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isAny: function(haystacks, asInt = false, fractionalDigits = -1){ |
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var needle = this; |
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// return true if any haystack equals the needle |
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for (var s = 0, sl = haystacks.length;s<sl;s++){ |
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var num = haystacks[s]; |
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// simplify value for comparison |
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if (asInt) { |
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num = int(num); |
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}else if(fractionalDigits != -1) { |
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num = num.roundToDigits(fractionalDigits); |
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} |
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if (needle == num) { |
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return true; |
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} |
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} |
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return false; |
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}, |
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/** Checks if the value is within min and max (supporting inclusive/exclusive modes) */ |
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View Code Duplication |
isWithin: function(min, max, inclusive = true){ |
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var num = this; |
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if (inclusive) { |
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if (min > max) { |
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return (num >= max && num <= min); |
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} |
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return (num >= min && num <= max); |
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} |
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if (min > max) { |
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return (num > max && num < min); |
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} |
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return (num > min && num < max); |
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}, |
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isWithinArray: function(arr){ |
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var slot = this; |
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// no, if array empty / index negative / index more than last slot |
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var len = arr.length; |
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if (len === 0 || slot < 0 || slot >= len) { |
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return false; |
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} |
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// else yes |
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return true; |
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}, |
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/** Checks if the value is > min and < max */ |
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isBetween: function(min, max){ |
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var num = this; |
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return (num > min && num < max); |
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}, |
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isOutside: function(min, max, inclusive = true){ |
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var num = this; |
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if (inclusive) { |
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return num <= min || num >= max; |
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} |
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return num < min || num > max; |
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}, |
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isFractional: function(){ |
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var num = this; |
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return int(num) != num; |
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}, |
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isInteger: function(){ |
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var num = this; |
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return int(num) == num; |
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}, |
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isConsequetive: function(value, value2){ |
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return value2 == (value - 1) || value2 == (value + 1); |
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}, |
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none:null |
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}; |
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// register funcs |
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UB.registerFuncs(Number.prototype, numberFuncs); |
nightfury7 /
universalbasics.js
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