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javascript Programming Glossary: someWhere can I find documentation on formatting a date in JavaScript http://stackoverflow.com/questions/1056728/where-can-i-find-documentation-on-formatting-a-date-in-javascript not work in general see the answers on this page to see some actual solutions. Today I played with the toString method on..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json can be accessed either using dot notation var value obj.someProperty or bracket notation if the property name would not be.. is not a valid character in identifier names var value obj some Property property name as variable var name some Property var.. value obj some Property property name as variable var name some Property var value obj name For the same reason array elements..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false callback to be able to call the method. Perhaps there are some reasons why I should avoid doing it like this and use preventDefault..
Reference: Why does the PHP (or other server side) code in my Javascript not work? http://stackoverflow.com/questions/13840429/reference-why-does-the-php-or-other-server-side-code-in-my-javascript-not-wor and responses. PHP is executed on the server and outputs some HTML and maybe Javascript code which is sent as response to.. the response that Javascript could interact with. To call some PHP code the client will have to send a new HTTP request to..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events classic document ready and jQuery Mobile page events. Can someone tell me what is a real difference Why should document .ready.. after a page refresh. This can be a very subtle bug. On some systems it may appear that it works fine but on others it may.. http jsfiddle.net Gajotres QGnft If AJAX is not enabled some events may not fire. Prevent page transition If for some reason..
How can I obfuscate JavaScript? http://stackoverflow.com/questions/194397/how-can-i-obfuscate-javascript see you would have a couple of options. First you could do some kind of encryption which is decrypted at page load. That would.. which may be unnecessary. You could probably base64 encode some string values and that would be easier.. but someone who really.. encode some string values and that would be easier.. but someone who really wanted those string values could easily decode..
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 in JavaScript comparisons I'm using JSLint to go through some horrific JavaScript at work and it's returning a huge number.. they do that are complicated and unmemorable. These are some of the interesting cases '' '0' false 0 '' true 0 '0' true false..
http://stackoverflow.com/questions/5874652/prop-vs-attr pile of broken websites the jQuery team reverted attr to something close to but not exactly the same as its old behaviour.. defaultValue defaultChecked property . This change removes some of the layer of magic jQuery stuck in front of attributes and.. to shield you from this stuff. For the authoritative but somewhat dry word on the subject there's the specs DOM4 HTML DOM..
What is an elegant way to force browsers to reload cached CSS/JS files? http://stackoverflow.com/questions/118884/what-is-an-elegant-way-to-force-browsers-to-reload-cached-css-js-files SCdF would be to append a bogus query string to the file. Some Python code to automatically use the timestamp as a bogus query..
What browsers support HTML5 WebSocket API? [closed] http://stackoverflow.com/questions/1253683/what-browsers-support-html5-websocket-api on progress. You can also look at Java websocket SDK . Some other Java implementations Kaazing Gateway jWebscoket Netty..
How does “this” keyword work within a JavaScript object literal? http://stackoverflow.com/questions/133973/how-does-this-keyword-work-within-a-javascript-object-literal the global object. Use that var that this trick pattern. Some people think the constructor new keyword was a bone thrown to..
Href attribute for JavaScript links: “#” or “javascript:void(0)”? http://stackoverflow.com/questions/134845/href-attribute-for-javascript-links-or-javascriptvoid0 return value of the function called like this function doSomething Some code return false But then they forget to use return.. of the function called like this function doSomething Some code return false But then they forget to use return doSomething.. code return false But then they forget to use return doSomething in the onclick and just use doSomething . A second reason..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content plugins There are several 3rd party enhancement plugins. Some are made as an update to an existing method and some are made.. look at the example below . Markup enhancement problems Sometimes when creating a component from scratch like listview this..
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 to In jQuery we respond to events and then update content. Something like .ajax url ' myEndpoint.json' success function data.. it with due deference But let's dive a little deeper... Some directives just decorate what's already in the view think ngClass..
Validate numbers in JavaScript - IsNumeric() http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric IsNumeric 0 false IsNumeric 1.1 false IsNumeric 8e5 false Some time ago I had to implement an IsNumeric function to find out..
Cross-platform, cross-browser way to play sound from Javascript? http://stackoverflow.com/questions/187098/cross-platform-cross-browser-way-to-play-sound-from-javascript and there is already a very large amount of legacy data. Some steps in the simulation require that we play voice over clips..
array.contains(obj) in JavaScript http://stackoverflow.com/questions/237104/array-containsobj-in-javascript uses indexOf internally if passed a JavaScript array . Some other frameworks Dojo Toolkit dojo.indexOf array value fromIndex..
Check if Internet Connection Exists with Javascript? http://stackoverflow.com/questions/2384167/check-if-internet-connection-exists-with-javascript jpsilvashy 5725579 Details on local implementation Some people have commented I'm always being returned false . That's..
How to randomize (shuffle) a javascript array? http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array like so var arr 2 11 37 42 shuffle arr console.log arr Some more info about the algorithm used. share improve this answer..
JavaScript unit test tools for TDD http://stackoverflow.com/questions/300855/javascript-unit-test-tools-for-tdd testing does not scale TestSwarm architecture JsTestDriver Some people at Google have also started on a distributed JavaScript..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname it or not. The two ways are var functionOne function Some code function functionTwo Some code What are the reasons for.. var functionOne function Some code function functionTwo Some code What are the reasons for using these two different methods..
Retrieve the position (X,Y) of an HTML element http://stackoverflow.com/questions/442404/retrieve-the-position-x-y-of-an-html-element Views . ‚All other browsers adopted it a long time ago . Some browsers also return height and width properties though this..
Where do you include the jQuery library from? Google JSAPI? CDN? http://stackoverflow.com/questions/547384/where-do-you-include-the-jquery-library-from-google-jsapi-cdn 'text javascript' script .join '' script UPDATE 9 8 2010 Some suggestions have been made to reduce the complexity of the code..
How does JavaScript .prototype work? http://stackoverflow.com/questions/572897/how-does-javascript-prototype-work chain until a match is found or its end is reached. Some JavaScript implementations allow direct access to the Prototype..
Autosizing textarea using prototype http://stackoverflow.com/questions/7477/autosizing-textarea-using-prototype this as anecdotal evidence to say 'go ahead implement it' Some javascript to do it using prototype.js because that's what I'm..
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 Console output undefined Method 3 Using an inline event Sometimes you want to run some code immediately e.g. to run some.. given as actualCode see method 2 2b . var actualCode ' Some code example n' 'console.log document.documentElement.outerHTML..
Is it correct to use JavaScript Array.sort() method for shuffling? http://stackoverflow.com/questions/962802/is-it-correct-to-use-javascript-array-sort-method-for-shuffling algoritms will result in different non uniform shuffles. Some sorting algorithms may probably even loop infinitely... But..
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