1 | View Code Duplication | function includeHtml(url, target, error, success) { |
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2 | var xhttp; |
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3 | |||
4 | var el = new E(target); |
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5 | var elmnt = el.first(); |
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6 | |||
7 | if (typeof success !== 'function') { |
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8 | success = function () { |
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9 | console.log('includeHtml success', "included"); |
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10 | } |
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11 | } |
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12 | |||
13 | if (typeof error !== 'function') { |
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14 | error = function () { |
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15 | console.log('includeHtml error', "Page not found."); |
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16 | } |
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17 | } |
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18 | console.log('includeHtml url', url); |
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19 | |||
20 | if (url) { |
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0 ignored issues
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21 | /* Make an HTTP request using the attribute value as the url name: */ |
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22 | xhttp = new XMLHttpRequest(); |
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23 | xhttp.onreadystatechange = function () { |
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24 | console.log('includeHtml el_id', target); |
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25 | |||
26 | if (this.readyState == 4) { |
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27 | if (this.status == 200) { |
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28 | // console.log('elmnt', elmnt); |
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29 | // console.log('responseText', this.responseText); |
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30 | // elmnt.innerHTML = this.responseText; |
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31 | // elmnt.appendChild(this.responseText); |
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32 | // elmnt.insertAdjacentHTML('beforeend', this.responseText); |
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33 | // var e = document.createElement('div'); |
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34 | // e.innerHTML = this.responseText; |
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35 | // while(e.firstChild) { |
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36 | // elmnt.appendChild(e); |
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37 | // } |
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38 | |||
39 | // elmnt.insertAdjacentHTML('afterend', this.responseText); |
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40 | elmnt.insertAdjacentHTML('beforeend', this.responseText); |
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41 | |||
42 | success(this); |
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43 | } |
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44 | if (this.status == 404) { |
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45 | elmnt.innerHTML = "includeHtml Page not found."; |
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46 | error(this); |
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47 | } |
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48 | /* Remove the attribute, and call this function once more: */ |
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49 | // includeHtml(url, success, error); |
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50 | } |
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51 | } |
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52 | xhttp.open("GET", url, true); |
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53 | xhttp.send(); |
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54 | /* Exit the function: */ |
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55 | return this; |
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56 | } |
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57 | } |
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58 |
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
The function
isBig
will only return a specific value when its parameter is bigger than 5000. In any other case, it will implicitly returnundefined
.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.