¡@
javascript Programming Glossary: noteevent.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false the event from bubbling up and return false will do both. Note that this behaviour differs from normal non jQuery event handlers..
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 PHP or other server side code in my Javascript not work Note This is a reference question. If you see one of the many questions..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content Enhancement example http jsfiddle.net Gajotres LrAyE Note that the refresh method only affects new nodes appended to a.. not to use it unless it is really really necessary. Note .trigger 'pagecreate' can suppose be used only once per page..
Elegant workaround for JavaScript floating point number problem http://stackoverflow.com/questions/1458633/elegant-workaround-for-javascript-floating-point-number-problem in cents. But this is more work and has some drawbacks. Note that the first point only applies if you really need specific..
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 see most frequently. We want a toggleable button. Note this example is a little contrived and a skosh verbose to represent..
Change an element's CSS class with JavaScript http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript script ... button id MyElement My Button button Note that the window.onload part is required so that the contents.. library though there are others worth investigating too . Note that here is the jQuery object. Changing Classes with jQuery..
How do I select text nodes with jQuery? http://stackoverflow.com/questions/298750/how-do-i-select-text-nodes-with-jquery .filter function return this.nodeType 3 getTextNodesIn el Note If you're using jQuery 1.7 or earlier the code above will not..
http://stackoverflow.com/questions/307179/what-is-javascripts-max-int-whats-the-highest-integer-value-a-number-can-go-t this question 9007199254740992 ECMA Section 8.5 Numbers Note that all the positive and negative integers whose magnitude.. largest exact integral value is 2 53 or 9007199254740992 . Note that the bitwise operators and shift operators operate on 32..
What is the best way to detect a handheld device in jQuery? http://stackoverflow.com/questions/3514784/what-is-the-best-way-to-detect-a-handheld-device-in-jquery now .browser will return device for all above devices Note .browser removed on jQuery v1.9.1 share improve this answer..
What does the exclamation mark do before the function? http://stackoverflow.com/questions/3755606/what-does-the-exclamation-mark-do-before-the-function syntax 101. Here is a function declaration function foo Note that there's no semicolon this is a statement you need a separate..
How do I trim a string in JavaScript? http://stackoverflow.com/questions/498970/how-do-i-trim-a-string-in-javascript is generally recommended when extending Native Objects Note that the added property is enumerable unless you use ES5 Object.defineProperty..
jQuery Ajax POST example with php http://stackoverflow.com/questions/5004233/jquery-ajax-post-example-with-php prevent default posting of form event.preventDefault Note Since jQuery 1.8 .success .error and .complete are deprecated.. the global variable _POST like this bar _POST 'bar' Note Always sanitize posted data to prevent injections and other.. the response to the console console.log Response response Note The above JavaScript is made to work with jQuery 1.8 but should..
Why don't self-closing script tags work? http://stackoverflow.com/questions/69913/why-dont-self-closing-script-tags-work script Does this break the concept of XHTML support Note This statement is correct at least for all IE 6 8 beta 2 . ..
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 ' func ' ' ... injectScript function alert Injected script Note Since the function is serialized the original scope and all.. 'reset' document.documentElement.removeAttribute 'onreset' Note This method assumes that there are no other global event listeners..
Origin is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/10143093/origin-is-not-allowed-by-access-control-allow-origin like a charm EDIT From the comments this is an important note the wildcard is going to allow any domain to send requests to..
How to create a GUID / UUID in Javascript? http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript It's easy enough to generate random numbers. From http note19.com 2007 05 27 javascript guid generator after some clean.. return s4 s4 ' ' s4 ' ' s4 ' ' s4 ' ' s4 s4 s4 However note in the comments that such values are not genuine GUIDs. There's..
Where 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 in API to format a date object into a string. Editor's note The following approach is the asker's attempt that worked on..
How does an anonymous function in JavaScript work? http://stackoverflow.com/questions/1140089/how-does-an-anonymous-function-in-javascript-work var sum function mySum a b return a b Important point to note is that you can use 'mySum' only inside the mySum function body..
Most efficient way to clone an object? http://stackoverflow.com/questions/122102/most-efficient-way-to-clone-an-object object clone share improve this question I want to note that the .clone method in jQuery only clones DOM elements. In.. can be found in the jQuery documentation . I also want to note that the deep copy is actually much smarter than what is shown..
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 .attr 'name' Or in older versions If version 1.6 or below note the selector and event are in a different order than above '#modal'..
Access outside variable in loop from Javascript closure http://stackoverflow.com/questions/1331769/access-outside-variable-in-loop-from-javascript-closure item.id item immediately call it with item A side note I see that you have jQuery here. It has a helper function .each..
What does “use strict” do in JavaScript, and what is the reasoning behind it? http://stackoverflow.com/questions/1335851/what-does-use-strict-do-in-javascript-and-what-is-the-reasoning-behind-it features that are confusing or poorly thought out. Also note you can apply strict mode to the whole file... Or you can use..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events Gajotres Q3Usv to demonstrate this problem. Few more notes on this question. No matter if you are using 1 html multiple.. page handling into a single separate js file. This will note make your code any better but you will have much better code.. jQm spent of page enhancements page transitions .... Final notes Always and I mean always read official jQuery Mobile documentation...
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content Markup overrding problems 29.06.2013 Added an important note of WHEN to use enhancement methods share improve this answer..
Resizing an iframe based on content http://stackoverflow.com/questions/153152/resizing-an-iframe-based-on-content searching the web has been fruitless so far. Update Please note that content is loaded from other domains so the same origin..
jQuery get specific option tag text http://stackoverflow.com/questions/196684/jquery-get-specific-option-tag-text I wanted to get Option B when I have the value '2' Please note that this is not asking how to get the selected text value but..
Invoking JavaScript code in an iframe from the parent page http://stackoverflow.com/questions/251420/invoking-javascript-code-in-an-iframe-from-the-parent-page unfortunately I need exactly the opposite of that. Please note that my problem is not changing the source URL of the iframe..
How to execute a JavaScript function when I have its name as a string http://stackoverflow.com/questions/359788/how-to-execute-a-javascript-function-when-i-have-its-name-as-a-string various arguments into the method too... EDIT I should note that some of the functions may take the form of namespace.namespace.function..
When does reflow happen in a DOM environment? http://stackoverflow.com/questions/510213/when-does-reflow-happen-in-a-dom-environment only once when those changes have all been made. However note that taking measurements of the element will force it to reflow..
Doesn't JavaScript support closures with local variables? http://stackoverflow.com/questions/643542/doesnt-javascript-support-closures-with-local-variables 5 and that's what the inner function 'sees'. As a side note you should beware of unnecessary function object creation espacially..
http://stackoverflow.com/questions/646628/javascript-startswith ECMAScript Harmony String Extras proposal. Edit As others noted indexOf will be inefficient for large strings its complexity.. or String.prototype.slice which behaves similarly note that I don't recommend using the substr because it's inconsistent..
Copying array by value in javascript http://stackoverflow.com/questions/7486085/copying-array-by-value-in-javascript the array and returns the reference to the new array. Also note that For object references and not the actual object slice copies..
Comparing two arrays in Javascript http://stackoverflow.com/questions/7837456/comparing-two-arrays-in-javascript faster to compare strings no loops... well then you should note there ARE loops. First recursive loop that converts Array to..
Will HTML5 allow web apps to make peer-to-peer HTTP connections? http://stackoverflow.com/questions/1032006/will-html5-allow-web-apps-to-make-peer-to-peer-http-connections a server getting involved only in the initial handshake. NOTE Java applets don't count. I'm interested only in standard browser..
http://stackoverflow.com/questions/11299553/fancybox-imagemap-gallery for validation purposes. UPDATE See working DEMO here NOTE Jan 15 2013 this demo will fail because is using jQuery v1.9.0...
How can I pass variables between controllers in AngularJS? http://stackoverflow.com/questions/12008908/how-can-i-pass-variables-between-controllers-in-angularjs how to do this Doing Ctrl2.prototype new Ctrl1 Also fails. NOTE These controllers are not nested inside each other. javascript..
Setting up Twitter API, getting the last few Tweets http://stackoverflow.com/questions/17049821/setting-up-twitter-api-getting-the-last-few-tweets https dev.twitter.com and make a new application. Second NOTE Your Consumer Key Secret along with Access Token Secret Third..
Instantiating a JavaScript object by calling prototype.constructor.apply http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply it returns a string representing the current time UTC . NOTE The function call Date is not equivalent to the object creation..
Getting the position of the element in a list when it's drag/dropped (ui.sortable) http://stackoverflow.com/questions/2442232/getting-the-position-of-the-element-in-a-list-when-its-drag-dropped-ui-sortabl var end_pos ui.item .index alert start_pos ' ' end_pos NOTE Updated to make use of jQuery data method under advice of Alconja..
Center an Image vertically and horizontally using CSS http://stackoverflow.com/questions/2478434/center-an-image-vertically-and-horizontally-using-css know the size of the image. How do I do this with a table NOTE JavaScript jQuery is not preferred but if there's a solution..
What are the typical reasons Javascript developed on Firefox fails on IE? [closed] http://stackoverflow.com/questions/2599020/what-are-the-typical-reasons-javascript-developed-on-firefox-fails-on-ie mode document.documentElement.scrollLeft scrollTop NOTE Some other browsers use pageXOffset pageYOffset as well. function..
http://stackoverflow.com/questions/2656730/internet-explorer-console Also you can clear the Console by calling console.clear . NOTE It appears you must launch the Developer Tools first then refresh..
How do I get the name of an object's type in JavaScript? http://stackoverflow.com/questions/332422/how-do-i-get-the-name-of-an-objects-type-in-javascript expect it to because of a lack of grokking the subtleties. NOTE Discussion of the typeof operator may appear to be a glaring..
JavaScript detect an AJAX event http://stackoverflow.com/questions/3596583/javascript-detect-an-ajax-event The ajax method used. This should be either GET or POST. NOTE the value may not always be uppercase it depends on how the.. foo bar a b same 'issue' as .url with it being url encoded NOTES As it stands this is not IE6 compatible . this solution is..
Recommended Vim plugins for JavaScript coding? [closed] http://stackoverflow.com/questions/4777366/recommended-vim-plugins-for-javascript-coding Ubuntu's apt get Mac's home brew etc. exuberant ctags NOTE After installing make sure running ctags actually runs exuberant.. issues pages for more info. Install the TagBar Vim plugin NOTE It's TagBar not the old infamous TagList . PROFIT. New Project..
How to add a custom right-click menu to a webpage? http://stackoverflow.com/questions/4909167/how-to-add-a-custom-right-click-menu-to-a-webpage lets users right click and show the users their own menu. NOTE I want to learn how to make my own versus using something somebody..
Does using $this instead of $(this) provide a performance enhancement? http://stackoverflow.com/questions/5724400/does-using-this-instead-of-this-provide-a-performance-enhancement example one maybe with an explanation why or why not EDIT NOTE I suspect that two is better one what I was a little fearful..
How read data From *.CSV file using javascript? http://stackoverflow.com/questions/7431268/how-read-data-from-csv-file-using-javascript script javascript jquery share improve this question NOTE I concocted this solution before I was reminded about all the..
Include jQuery in the Javascript Console http://stackoverflow.com/questions/7474354/include-jquery-in-the-javascript-console give time for script to load then type. jQuery.noConflict NOTE if the site has scripts that conflict with jQuery other libs..
Disable Interpolation when Scaling a <canvas> http://stackoverflow.com/questions/7615009/disable-interpolation-when-scaling-a-canvas Interpolation when Scaling a canvas NOTE This has to do with how existing canvas elements are rendered..
Javascript: undefined !== undefined? http://stackoverflow.com/questions/776950/javascript-undefined-undefined undefined undefined NOTE As per ECMAScript5.1 section 15.1.1.3 window.undefined is read..
|