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javascript Programming Glossary: mustAccess / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json . Both types expose a key value structure. Keys in arrays must be numeric whereas any string can be used as key in objects... return getLeaf node.rightChild recursive call else node must be a leaf node return node var first_leaf getLeaf root DEMO..
Events triggered by dynamically generated element are not captured by event handler http://stackoverflow.com/questions/12829963/events-triggered-by-dynamically-generated-element-are-not-captured-by-event-hand simply means the element where you bind your event handler must already exist at the time the handler is bound so for dynamically.. handler is bound so for dynamically generated elements you must allow the event to bubble up and handle it further up. The jQuery..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events events to the document object which means that the event must bubble up from the element that generated the event until it..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content add new content to jQuery Mobile page new content must be enhanced with classic jQuery Mobile styling. Because this.. enhanced through some specific method so trigger 'create' must be used instead. Enhancement example http jsfiddle.net Gajotres.. can be used to get correct maximum content height and it must be used with a pageshow event. function getRealContentHeight..
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 incredibly from that simple premise. But in AngularJS you must start from the ground up with your architecture in mind. Instead.. is clear. Remember don't design and then mark up. You must architect and then design. Data binding This is by far one of..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript your subclass adds nothing to the construction process it must remember to call the base constructor with whatever arguments..
Valid Characters for JavaScript Variable Names http://stackoverflow.com/questions/1661197/valid-characters-for-javascript-variable-names up summarizing the relevant spec sections An identifier must start with _ or any character in the Unicode categories œUppercase..
Change an element's CSS class with JavaScript http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript # ensures there is no non space character following # i.e. must be end of string or a space The g flag tells the replace to..
How do I get started with Node.js http://stackoverflow.com/questions/2353818/how-do-i-get-started-with-node-js Podcasts NodeUp JavaScript resources Crockford's videos must see Essential JavaScript Design Patterns For Beginners JavaScript..
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 operator except no type conversion is done and the types must be the same to be considered equal. Reference Javascript Tutorial..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin Origin which if you were reaching Flickr via .get they must have been doing while the other was to echo back the contents..
Turning live() into on() in jQuery http://stackoverflow.com/questions/8021436/turning-live-into-on-in-jquery are bound only to the currently selected elements they must exist on the page at the time your code makes the call to .on..
http://stackoverflow.com/questions/934012/get-image-data-in-javascript that has the base 64 encoded image. Note that the image must be fully loaded or you'll just get back an empty black transparent..
How to include a JavaScript file in another JavaScript file? http://stackoverflow.com/questions/950087/how-to-include-a-javascript-file-in-another-javascript-file Dynamic Script Loading . Now there is a big issue you must know about. Doing that implies that you remotely load the code..
Simulating “focus” and “blur” in jQuery .live() method http://stackoverflow.com/questions/1199293/simulating-focus-and-blur-in-jquery-live-method e jQuery this .data uid1 handler if _self document Must be live if _self.addEventListener _self.addEventListener 'focus'.. e jQuery this .data uid2 handler if _self document Must be live if _self.addEventListener _self.addEventListener 'blur'..
Is Safari on iOS 6 caching $.ajax results? http://stackoverflow.com/questions/12506897/is-safari-on-ios-6-caching-ajax-results but the data it returns should be different every time. Must be in Apple's haste to make iOS 6 zip along impressively they..
Determining image file size + dimensions via Javascript? http://stackoverflow.com/questions/1310378/determining-image-file-size-dimensions-via-javascript on the page. This needs to be done client side obviously. Must be able to be solved x browser without an ActiveX control or..
Using a local file as a data source in JavaScript http://stackoverflow.com/questions/13428532/using-a-local-file-as-a-data-source-in-javascript no browser will allow that... yet. Solution Requirements Must work offline ie it can't rely on any online service. This also.. this run on any computer with just a browser installed. Must work when the page is opened using the file protocol ie a HTML..
http://stackoverflow.com/questions/1605698/text-blinking-jquery way to make text blinking in jQuery and a way to stop it Must work for IE FF and Chrome. Thanks javascript jquery html css..
How would you organize a large complex web application (see basic example)? http://stackoverflow.com/questions/2468311/how-would-you-organize-a-large-complex-web-application-see-basic-example the comment posting on SO and follows the following rules Must have 15 characters minimum after multiple spaces are trimmed..
Truncate a string nicely to fit within a given pixel width http://stackoverflow.com/questions/282758/truncate-a-string-nicely-to-fit-within-a-given-pixel-width The search for the right length is very inefficient. Must escape abbr I rewrote it for you and added className so you..
http://stackoverflow.com/questions/3043775/how-to-escape-html Minimum Every Software Developer Absolutely Positively Must Know About Unicode and Character Sets No Excuses by Joel Spolsky..
What does this Javascript code do? http://stackoverflow.com/questions/4177001/what-does-this-javascript-code-do And I thought I knew Javascript through and through... Must be some obscure feature I never used in the past and is obviously..
How to access accelerometer/gyroscope data from Javascript? http://stackoverflow.com/questions/4378435/how-to-access-accelerometer-gyroscope-data-from-javascript Example http isthisanearthquake.com How is this done Must I subscribe to some kind of event on the window object On which..
In a Chrome Extension content script, must I wait for document.ready before processing the document? http://stackoverflow.com/questions/5113318/in-a-chrome-extension-content-script-must-i-wait-for-document-ready-before-proc adding some new divs to the DOM based on those attributes. Must I wait for document.ready to fire before performing these modifications..
Baking transforms into SVG Path Element commands http://stackoverflow.com/questions/5149301/baking-transforms-into-svg-path-element-commands transform.b transform.b transform.d transform.d FIXME Must translate any Horizontal or Vertical lineto commands into absolute..
jQuery .find() doesn't return data in IE but does in Firefox and Chrome http://stackoverflow.com/questions/562283/jquery-find-doesnt-return-data-in-ie-but-does-in-firefox-and-chrome that it works fine when browsed from a web server. Must be a peculiarity with IE. I'm guessing it's because the web..
Drag the Range of a UI Input Range Slider http://stackoverflow.com/questions/5955343/drag-the-range-of-a-ui-input-range-slider .dragslider animate true Works with animation. range true Must have a range to drag. rangeDrag true Enable range dragging...
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 methods var charMap var s ents Short hand space Important Must be pre and postfixed by and . RE matches a whole tag function..
Javascript: REGEX to change all relative Urls to Absolute http://stackoverflow.com/questions/7544550/javascript-regex-to-change-all-relative-urls-to-absolute hand for common use var any ^ ' ^ ' ^' ' ^ ^ Important Must be pre and postfixed by and . This RE should match anything..
http://stackoverflow.com/questions/8032566/emulate-super-in-javascript use a X to JavaScript compiler or JavaScript preprocessor. Must be ES5 compliant The naive implementation would be something..
Password Strength Meter [closed] http://stackoverflow.com/questions/948172/password-strength-meter they know if they have a bad password. Key Requirements Must be able to rate the password not just pass fail. Should disable..
Uploading Image to Amazon s3 with HTML, javascript & jQuery with Ajax Request (No PHP) http://stackoverflow.com/questions/11240127/uploading-image-to-amazon-s3-with-html-javascript-jquery-with-ajax-request-n xhr.open 'POST' 'https yourbucket .s3.amazonaws.com ' true MUST BE LAST LINE BEFORE YOU SEND xhr.send fd Helper functions function..
setAttribute and video.src for changing video tag source not working in IE9 http://stackoverflow.com/questions/12151606/setattribute-and-video-src-for-changing-video-tag-source-not-working-in-ie9 to switch the video. Yes there are claims that with IE you MUST have the src's listed with the HTML in order to change them.. id 'oggSource' src movie.ogg type video ogg video You MUST give your sources tags individual ID's for the solution to work...
Set a request header in JavaScript http://stackoverflow.com/questions/1268673/set-a-request-header-in-javascript header header had already been set then the new value MUST be concatenated to the existing value using a U 002C COMMA followed.. UAs MAY give the User Agent header an initial value but MUST allow authors to append values to it. However After searching..
http://stackoverflow.com/questions/12973706/javascript-collection It won't make a difference. x 'property' someValue MUST always be used with Objects . Arrays should only have numeric..
onComplete and onCompleteAll events failing to fire when using Uploadify http://stackoverflow.com/questions/1399654/oncomplete-and-oncompleteall-events-failing-to-fire-when-using-uploadify anyone does know maybe they can respond to this post You MUST NOT put single quotes around the event handlers e.g. onComplete..
Implementing Mozilla's toSource() method in Internet Explorer http://stackoverflow.com/questions/171407/implementing-mozillas-tosource-method-in-internet-explorer targets' that a program duplicating toSource functionality MUST handle successfully javascript function render title src function..
How to avoid global variables in JavaScript? http://stackoverflow.com/questions/1841916/how-to-avoid-global-variables-in-javascript onload uploadCount if uploadCount 1 startUpload iframe MUST use inline JavaScript here for onload event to fire after each..
http://stackoverflow.com/questions/1968323/get-iphone-id-in-web-app URL. After many tries I believe that your receiving url MUST be a .php file. This sounds nuts but I'm serious. PHP was about..
jQuery events .load(), .ready(), .unload() http://stackoverflow.com/questions/2683072/jquery-events-load-ready-unload initializeCode document .ready function run code that MUST be after initialize window .unload function Cleanup script..
How to open a local disk file with Javascript? http://stackoverflow.com/questions/3582671/how-to-open-a-local-disk-file-with-javascript facility does allow you to process local files but these MUST be selected by the user you cannot go rooting about the users..
How to hide the address bar on iPhone? http://stackoverflow.com/questions/4117377/how-to-hide-the-address-bar-on-iphone to scroll. When the window.scrollTo 0 1 is called the page MUST be longer than the window so a scrolling event can occur. Only..
ASP.Net Master Page and File path issues http://stackoverflow.com/questions/697660/asp-net-master-page-and-file-path-issues Any ideas EDIT I forgot to mention as well that the script MUST be in the head tag The current top answer throws a ASP.NET Ajax..
How can I allow my user to insert HTML code, without risks? (not only technical risks) http://stackoverflow.com/questions/701580/how-can-i-allow-my-user-to-insert-html-code-without-risks-not-only-technical the html tags but how can i be safe What kind of tags i MUST delete javascripts That in meaning to be server safe.. but how..
Browser download file prompt using JavaScript http://stackoverflow.com/questions/727144/browser-download-file-prompt-using-javascript
Returning HTML from JSON webservice - what is the “.d”? http://stackoverflow.com/questions/739859/returning-html-from-json-webservice-what-is-the-d weblog posts 164419.aspx What confuses me is that it MUST return JSON as my client script code is quite happy about the..
http://stackoverflow.com/questions/7909641/javascript-check-file-size is identical to a regular GET request except the server MUST NOT return the actual content. In other words the server replies..
http://stackoverflow.com/questions/8797597/timezone-strategy 2 Its important to note with these approaches that you MUST you Editfor and Displayfor instead of things like TextForFor..
Access Control Allow Origin not allowed by [duplicate] http://stackoverflow.com/questions/9327218/access-control-allow-origin-not-allowed-by if this is not the case you cannot use jsonp and you MUST relay on a server side proxy PHP ASP etc. . There are plenty..
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