javascript Programming Glossary: createHow to create a GUID / UUID in Javascript? http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript to create a GUID UUID in Javascript I'm trying to create globally unique.. to create a GUID UUID in Javascript I'm trying to create globally unique identifiers in Javascript. I'm not sure what..
How do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work variables outside of your immediate lexical scope creates a closure . function foo x var tmp 3 return function y alert.. Javascript function is invoked a new execution context is created. Together with the function arguments and the parent object.. in the above example both 'a' and 'b' . It is possible to create more than one closure function either by returning a list of..
HTML-encoding in JavaScript/jQuery http://stackoverflow.com/questions/1219860/html-encoding-in-javascript-jquery question I use these functions function htmlEncode value create a in memory div set it's inner text which jQuery automatically.. ' div ' .html value .text Basically a div element is created in memory but it is never appended to the document. On the..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events and trust me this is a problem jQuery Mobile developers created page events. In a nutshell page events are events triggered.. page B this is a unload load order page B event pagebeforecreate page B event pagecreate page B event pageinit page A event pagebeforehide.. load order page B event pagebeforecreate page B event pagecreate page B event pageinit page A event pagebeforehide page B event..
Difference between using var and not using var in JavaScript http://stackoverflow.com/questions/1470488/difference-between-using-var-and-not-using-var-in-javascript no difference. If you're in a function then var will create a local variable no var will look up the scope chain until it.. variable or hits the global scope at which point it will create it These are both globals var foo 1 bar 2 function var foo 1..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background . I've seen many developers here and on the mailing list create these elaborate solutions with jQuery plugins of 150 or 200.. AngularJS is. In jQuery the only way to test is often to create the component independently with a sample demo page against..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript to &ldquo properly&rdquo create a custom object in JavaScript I'm still trying to understand.. JavaScript and I wonder about what the best way is to create an object that has properties and methods. I have seen examples.. x y this.x x this.y y We can add methods to the instance created by new Shape by writing them to the prototype lookup of this..
Prototypical inheritance - writing up [duplicate] http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up here. In this example the property full of rabbit is created and changed while in the first example it goes up the prototype.. instances of food collections for each Hamster you need to create the property on the instance. For example function Hamster this.food.. find the property anywhere in the prototype chain it creates the property on the target object. share improve this answer..
Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? http://stackoverflow.com/questions/359494/does-it-matter-which-equals-operator-vs-i-use-in-javascript-comparisons the comparison of a string literal with a string object created by the String constructor. abc new String abc true abc new..
Why is using “for…in” with array iteration such a bad idea? http://stackoverflow.com/questions/500504/why-is-using-for-in-with-array-iteration-such-a-bad-idea might do things like this which will affect any array you create Somewhere deep in your JavaScript library... Array.prototype.foo..
How does JavaScript .prototype work? http://stackoverflow.com/questions/572897/how-does-javascript-prototype-work to set an object's prototype during object creation If you create a new object via new Func the object's Prototype property will..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example my head what to do. var funcs for var i 0 i 3 i let's create 3 functions funcs i function and store them in funcs console.log.. value outside of the function var funcs function createfunc i return function console.log My value i for var i 0 i 3.. function console.log My value i for var i 0 i 3 i funcs i createfunc i for var j 0 j 3 j funcs j and now let's run each one..
Why is document.write considered a “bad practice”? http://stackoverflow.com/questions/802854/why-is-document-write-considered-a-bad-practice the way the DOM works conceptually and is an easy way to create bugs .innerHTML has the same problem Far better to use the safe..
Building a Chrome Extension - Inject code in a page using a Content script http://stackoverflow.com/questions/9515704/building-a-chrome-extension-inject-code-in-a-page-using-a-content-script code in a page using a Content script I'm learning how to create chrome extensions and I just started developing one to catch.. 𦯷pplication Shortcut Custom Javascript var s document.createElement 'script' s.src chrome.extension.getURL script.js s.onload.. mess up your' ' code ' .join ' n' var script document.createElement 'script' script.textContent actualCode document.head..
How does an anonymous function in JavaScript work? http://stackoverflow.com/questions/1140089/how-does-an-anonymous-function-in-javascript-work how does it works just every time I'm told to use it... Create a new anonymous function to use as a wrapper function The variable..
Calculate text width with Javascript http://stackoverflow.com/questions/118241/calculate-text-width-with-javascript ideas javascript textbox share improve this question Create a DIV styled with the following styles. In your JavaScript set..
Javascript code to parse CSV data [closed] http://stackoverflow.com/questions/1293147/javascript-code-to-parse-csv-data If not then default to comma. strDelimiter strDelimiter Create a regular expression to parse the CSV values. var objPattern.. fields. ^ ^ Standard fields. ^ strDelimiter r n gi Create an array to hold our data. Give the array a default empty first.. Give the array a default empty first row. var arrData Create an array to hold our individual pattern matching groups. var..
Prototypical inheritance - writing up [duplicate] http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up food found function something this.food.push something Create two speedy and lazy hamsters then feed the first one speedy..
Sound effects in JavaScript / HTML5 http://stackoverflow.com/questions/1933969/sound-effects-in-javascript-html5 and extension var name src.substring 4 src.length 4 Create the helper function which clones the audio object and plays..
Determine original size of image cross browser? http://stackoverflow.com/questions/1944280/determine-original-size-of-image-cross-browser attributes and read offsetWidth and offsetHeight Option 2 Create a JavaScript Image object set the src and read the width and..
Turn a number into star rating display using jQuery and CSS http://stackoverflow.com/questions/1987524/turn-a-number-into-star-rating-display-using-jquery-and-css to get width var size Math.max 0 Math.min 5 val 16 Create stars holder var span ' span ' .width size Replace the numerical..
Is there an Internet Explorer approved substitute for selectionStart and selectionEnd? http://stackoverflow.com/questions/235411/is-there-an-internet-explorer-approved-substitute-for-selectionstart-and-selecti el.value.length normalizedValue el.value.replace r n g n Create a working TextRange that lives only in the input textInputRange..
Current commonly accepted best practices around code organization in JavaScript http://stackoverflow.com/questions/247209/current-commonly-accepted-best-practices-around-code-organization-in-javascript in one spot and write functions for all the events Create function classes to wrap all your functionality Write like crazy..
Benefits of prototypal inheritance over classical? http://stackoverflow.com/questions/2800964/benefits-of-prototypal-inheritance-over-classical two ways of creating objects using prototypal inheritance Create a brand new object. Clone an existing object and extend it...
Create a file in memory for user to download, not through server http://stackoverflow.com/questions/3665115/create-a-file-in-memory-for-user-to-download-not-through-server a file in memory for user to download not through server Is..
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate] http://stackoverflow.com/questions/4508313/advantages-of-using-prototype-vs-defining-methods-straight-in-the-constructor Class Class.prototype.calc function a b return a b Create 2 instances var ins1 new Class ins2 new Class Test the calc..
How to use underscore.js as a template engine? http://stackoverflow.com/questions/4778881/how-to-use-underscore-js-as-a-template-engine underscore underscore min.js script Create your template script type foo bar id 'usageList' table cellspacing.. item.name h3 p item.interests p td tr tbody table script Create your target div id target div Write some code to fetch the data..
How to convert image into base64 string using javascript http://stackoverflow.com/questions/6150289/how-to-convert-image-into-base64-string-using-javascript this question You can use the HTML5 canvas for it Create a canvas load your image into it and then use toDataURL to get..
How can i shuffle an array in JavaScript? [duplicate] http://stackoverflow.com/questions/6274339/how-can-i-shuffle-an-array-in-javascript 6 0 6 0 3 6 3 6 javascript share improve this question Create the shuffle function courtesy of Google Jonas Raoni Soares Silva..
Can I load an entire HTML document into a document fragment in Internet Explorer? http://stackoverflow.com/questions/7474710/can-i-load-an-entire-html-document-into-a-document-fragment-in-internet-explorer html sanitiseHTML html Defined at the bottom of the answer Create an IFrame var iframe document.createElement iframe iframe.style.display..
http://stackoverflow.com/questions/934012/get-image-data-in-javascript to run in that environment. function getBase64Image img Create an empty canvas element var canvas document.createElement canvas..
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