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2014/10/16 ¤W¤È 12:09:27
jquery Programming Glossary: this.lengthEquivalent of String.format in JQuery http://stackoverflow.com/questions/1038746/equivalent-of-string-format-in-jquery function suffix return this.substr this.length suffix.length suffix String.prototype.startsWith function prefix..
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this this.context this 0 selector Selector here is a DOMElement this.length 1 return this I did some tests with jsPerf and I found that..
Getting a jQuery selector for an element http://stackoverflow.com/questions/2068272/getting-a-jquery-selector-for-an-element a node name is ambiguous . jQuery.fn.getPath function if this.length 1 throw 'Requires one element.' var path node this while node.length..
Javascript: How to filter object array based on attributes? http://stackoverflow.com/questions/2722159/javascript-how-to-filter-object-array-based-on-attributes Array.prototype.filter function fun thisp var len this.length 0 if typeof fun function throw new TypeError var res var thisp..
How do you check if a selector matches something in jQuery? http://stackoverflow.com/questions/299802/how-do-you-check-if-a-selector-matches-something-in-jquery will be slower you can do jQuery.fn.exists function return this.length 0 Then in your code you can use if selector .exists Do something..
Is there an “exists” function for jQuery? http://stackoverflow.com/questions/31044/is-there-an-exists-function-for-jquery this question Yes jQuery.fn.exists function return this.length 0 if selector .exists Do something There you go This is in response..
http://stackoverflow.com/questions/3176962/jquery-object-equality could use this .fn.equals function compareTo if compareTo this.length compareTo.length return false for var i 0 i this.length i if.. this.length compareTo.length return false for var i 0 i this.length i if this i compareTo i return false return true Source var..
http://stackoverflow.com/questions/4536788/override-jquery-functions jQuery's core functions Say I wanted to add an alert this.length in size function Instead of adding it in the source size function.. Instead of adding it in the source size function alert this.length return this.length I was wondering if it would be possible to.. it in the source size function alert this.length return this.length I was wondering if it would be possible to do something like..
Clean way to remove element from javascript array (with jQuery, coffeescript) http://stackoverflow.com/questions/4825812/clean-way-to-remove-element-from-javascript-array-with-jquery-coffeescript function v var x _i _len _results _results for _i 0 _len this.length _i _len _i x this _i if x v _results.push x return _results..
What makes Firebug/Chrome console treat a custom object as an array? http://stackoverflow.com/questions/4951054/what-makes-firebug-chrome-console-treat-a-custom-object-as-an-array ElementWrapper id this 0 document.getElementById id this.length 1 this.splice Array.prototype.splice So essentially my question..
Array Like Objects in Javascript http://stackoverflow.com/questions/6599071/array-like-objects-in-javascript key names e.g. 0 1 2 3 4 5 6 just like an array. this.length 1 this 0 'hello' Just to make sure add the length property to..
What makes a jQuery object show up as an array in Chrome's Developer Tools? http://stackoverflow.com/questions/7261670/what-makes-a-jquery-object-show-up-as-an-array-in-chromes-developer-tools in array notation it does not work var test function this.length 0 new test Logged arrow is same one as before test So I'm wondering..
Generate a Hash from string in Javascript/jQuery http://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript-jquery String.prototype.hashCode function var hash 0 i char if this.length 0 return hash for i 0 l this.length i l i char this.charCodeAt.. var hash 0 i char if this.length 0 return hash for i 0 l this.length i l i char this.charCodeAt i hash hash 5 hash char hash 0 Convert..
No support for indexOf in IE 8? [duplicate] http://stackoverflow.com/questions/9768574/no-support-for-indexof-in-ie-8 Array.prototype.indexOf function elt from var len this.length 0 var from Number arguments 1 0 from from 0 Math.ceil from Math.floor..
Equivalent of String.format in JQuery http://stackoverflow.com/questions/1038746/equivalent-of-string-format-in-jquery are the endsWith and startsWith prototype functions... String.prototype.endsWith function suffix return this.substr this.length suffix.length suffix String.prototype.startsWith function prefix return this.substr 0 prefix.length prefix share improve..
What is the cost of '$(this)'? http://stackoverflow.com/questions/10433014/what-is-the-cost-of-this of the context to 1 Handle DOMElement if selector.nodeType this.context this 0 selector Selector here is a DOMElement this.length 1 return this I did some tests with jsPerf and I found that indeed caching the jQuery object has only a little effect In..
Getting a jQuery selector for an element http://stackoverflow.com/questions/2068272/getting-a-jquery-selector-for-an-element of elements &ndash only the structure and adds eq x where a node name is ambiguous . jQuery.fn.getPath function if this.length 1 throw 'Requires one element.' var path node this while node.length var realNode node 0 name realNode.localName if name..
Javascript: How to filter object array based on attributes? http://stackoverflow.com/questions/2722159/javascript-how-to-filter-object-array-based-on-attributes the following method for compatibility if Array.prototype.filter Array.prototype.filter function fun thisp var len this.length 0 if typeof fun function throw new TypeError var res var thisp arguments 1 for var i 0 i len i if i in this var val this..
How do you check if a selector matches something in jQuery? http://stackoverflow.com/questions/299802/how-do-you-check-if-a-selector-matches-something-in-jquery
Is there an “exists” function for jQuery? http://stackoverflow.com/questions/31044/is-there-an-exists-function-for-jquery this Perhaps a plugin or a function jquery share improve this question Yes jQuery.fn.exists function return this.length 0 if selector .exists Do something There you go This is in response to Herding Code podcast with Jeff Atwood share improve..
http://stackoverflow.com/questions/3176962/jquery-object-equality jQuery objects contain the same set of elements the you could use this .fn.equals function compareTo if compareTo this.length compareTo.length return false for var i 0 i this.length i if this i compareTo i return false return true Source var a 'p'.. you could use this .fn.equals function compareTo if compareTo this.length compareTo.length return false for var i 0 i this.length i if this i compareTo i return false return true Source var a 'p' var b 'p' if a.equals b same set share improve this..
http://stackoverflow.com/questions/4536788/override-jquery-functions jQuery functions Is there way to override jQuery's core functions Say I wanted to add an alert this.length in size function Instead of adding it in the source size function alert this.length return this.length I was wondering if.. Say I wanted to add an alert this.length in size function Instead of adding it in the source size function alert this.length return this.length I was wondering if it would be possible to do something like this if console console.log Size of div.. to add an alert this.length in size function Instead of adding it in the source size function alert this.length return this.length I was wondering if it would be possible to do something like this if console console.log Size of div div .size var oSize..
Clean way to remove element from javascript array (with jQuery, coffeescript) http://stackoverflow.com/questions/4825812/clean-way-to-remove-element-from-javascript-array-with-jquery-coffeescript
What makes Firebug/Chrome console treat a custom object as an array? http://stackoverflow.com/questions/4951054/what-makes-firebug-chrome-console-treat-a-custom-object-as-an-array with integer keys treated as members of the arrays function ElementWrapper id this 0 document.getElementById id this.length 1 this.splice Array.prototype.splice So essentially my question is what determines whether the console displays an object..
Array Like Objects in Javascript http://stackoverflow.com/questions/6599071/array-like-objects-in-javascript a length property and it's properties use integer based sequential key names e.g. 0 1 2 3 4 5 6 just like an array. this.length 1 this 0 'hello' Just to make sure add the length property to the prototype to match the Array prototype foo.prototype.length..
What makes a jQuery object show up as an array in Chrome's Developer Tools? http://stackoverflow.com/questions/7261670/what-makes-a-jquery-object-show-up-as-an-array-in-chromes-developer-tools try to make my own constructor which is supposed to be displayed in array notation it does not work var test function this.length 0 new test Logged arrow is same one as before test So I'm wondering what in the jQuery code makes Developer Tools show instances..
Generate a Hash from string in Javascript/jQuery http://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript-jquery way. javascript jquery hash share improve this question String.prototype.hashCode function var hash 0 i char if this.length 0 return hash for i 0 l this.length i l i char this.charCodeAt i hash hash 5 hash char hash 0 Convert to 32bit integer return.. improve this question String.prototype.hashCode function var hash 0 i char if this.length 0 return hash for i 0 l this.length i l i char this.charCodeAt i hash hash 5 hash char hash 0 Convert to 32bit integer return hash Described here . share improve..
No support for indexOf in IE 8? [duplicate] http://stackoverflow.com/questions/9768574/no-support-for-indexof-in-ie-8 have indexOf so you can add your own if Array.prototype.indexOf Array.prototype.indexOf function elt from var len this.length 0 var from Number arguments 1 0 from from 0 Math.ceil from Math.floor from if from 0 from len for from len from if from..
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