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javascript Programming Glossary: e.gHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work with a knowledge of the concepts which make up closures e.g. functions variables and the like but does not understand closures..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json then. If the data structure contains repeating structures e.g. the representation of a binary tree the solution typically..
What is the reason to use the 'new' keyword here? http://stackoverflow.com/questions/12592913/what-is-the-reason-to-use-the-new-keyword-here to do with emulation of class based inheritance as known e.g. from Java. The proper way to implement class based inheritance..
Javascript: Do I need to put this.var for every variable in an object? http://stackoverflow.com/questions/13418669/javascript-do-i-need-to-put-this-var-for-every-variable-in-an-object to newbies because if you pass around that function e.g. to an event listener it is detached from the object it was.. you also can define other values to inherit Foo.prototype.getBar function quite useless return this.bar var foo new Foo.. variables and as long as those functions could be called e.g. by an event listener the environment must persist. So by exporting..
Why does jQuery or a DOM method such as `getElementById` not find the element? http://stackoverflow.com/questions/14028959/why-does-jquery-or-a-dom-method-such-as-getelementbyid-not-find-the-element the jQuery file was found and correct the URL if it wasn't e.g. add the http or https scheme at the beginning adjust the path..
Elegant workaround for JavaScript floating point number problem http://stackoverflow.com/questions/1458633/elegant-workaround-for-javascript-floating-point-number-problem datatype available an alternative is to work with integers e.g. do money calculations entirely in cents. But this is more work..
Generating random numbers in Javascript in a specific range? http://stackoverflow.com/questions/1527803/generating-random-numbers-in-javascript-in-a-specific-range whole number between two specified variables in Javascript e.g. x 4 and y 8 would output any of 4 5 6 7 8 javascript random..
Resizing an iframe based on content http://stackoverflow.com/questions/153152/resizing-an-iframe-based-on-content pages it has iframed but never pages in which it is framed e.g. if you have www.foo.com home.html which iframes www.bar.net..
Explain JavaScript's encapsulated anonymous function syntax http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax be avoided because they can lead an unpredictable behavior e.g. if true function foo alert 'true' else function foo alert 'false..
JavaScript get clipboard data on paste event (Cross browser) http://stackoverflow.com/questions/2176861/javascript-get-clipboard-data-on-paste-event-cross-browser the solution should work across all modern browsers e.g. MSIE Gecko Chrome and Safari . Note that MSIE has clipboardData.getData..
http://stackoverflow.com/questions/3127429/javascript-this-keyword JavaScript. When you begin using JavaScript libraries e.g. jQuery you may find that certain library functions manipulate..
Window.onload vs document.ready ? http://stackoverflow.com/questions/3698200/window-onload-vs-document-ready while the onload event occurs later when all content e.g. images also has been loaded. The onload event is a standard..
Getting the ID of the element that fired an event using jQuery http://stackoverflow.com/questions/48239/getting-the-id-of-the-element-that-fired-an-event-using-jquery function on it then you must refer to it as ' this ' e.g. document .ready function a .click function event this.append..
Manipulating CSS pseudo-elements using jQuery (e.g. :before and :after) http://stackoverflow.com/questions/5041494/manipulating-css-pseudo-elements-using-jquery-e-g-before-and-after CSS pseudo elements using jQuery e.g. before and after Is there any way to select manipulate CSS..
When is a CDATA section necessary within a script tag? http://stackoverflow.com/questions/66837/when-is-a-cdata-section-necessary-within-a-script-tag is required if you need your document to parse as XML e.g. when an XHTML page is interpreted as XML and you want to be..
Why don't self-closing script tags work? http://stackoverflow.com/questions/69913/why-dont-self-closing-script-tags-work an empty title or paragraph do not use the minimized form e.g. use p p and not p . XHTML DTD specifies script tags as script..
YouTube iframe API: how do I control a iframe player that's already in the HTML? http://stackoverflow.com/questions/7443578/youtube-iframe-api-how-do-i-control-a-iframe-player-thats-already-in-the-html if iframe iframe.tagName.toUpperCase 'IFRAME' iframe iframe.getElementsByTagName 'iframe' 0 When the player is not ready.. if iframe.tagName.toUpperCase 'IFRAME' iframe iframe.getElementsByTagName 'iframe' 0 if iframe return if e.source.. 1 origin can be used as is but also a specific origin e.g. http stackoverflow.com . Q I get error message An invalid or..
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 event Sometimes you want to run some code immediately e.g. to run some code before the head element is created. You can..
http://stackoverflow.com/questions/9682092/databinding-in-angularjs in IE 6 and 7. So how does AngularJS know that I changed e.g. myobject.myproperty new value and reflect this change on a..
A ternary in angular templates ( angularjs ) http://stackoverflow.com/questions/12008580/a-ternary-in-angular-templates-angularjs property with name false and return the associated value. E.g. li class true 'myClass1 myClass2' false '' first ... li or.. evaluate to a map object of CSS style names to CSS values. E.g. li ng style true color 'red' false first ... li share improve..
Disable Copy/Paste into HTML form using Javascript http://stackoverflow.com/questions/1226574/disable-copy-paste-into-html-form-using-javascript ability to paste text into a text field on an HTML form E.g. I have a simple registration form where the user is required..
http://stackoverflow.com/questions/1946165/json-find-in-javascript do if you have control of the generation of the object. E.g. say you have this originally id one pId foo1 cId bar1 id two..
Convert string to title case with javascript http://stackoverflow.com/questions/196972/convert-string-to-title-case-with-javascript Is there a simple way to convert a string to title case E.g. john smith becomes John Smith . I'm not looking for something..
How do you determine equality for two JavaScript objects? http://stackoverflow.com/questions/201183/how-do-you-determine-equality-for-two-javascript-objects which are not to be considered part of the object value. E.g. function MyClass a b var c this.getCLazy function if c undefined..
http://stackoverflow.com/questions/2320069/jquery-ajax-file-upload UPDATE With XHR2 File upload through AJAX is supported. E.g. through FormData object but unfortunately it is not supported..
natural sort of text and numbers, JavaScript http://stackoverflow.com/questions/2802341/natural-sort-of-text-and-numbers-javascript consists of numbers and text and a combination of these. E.g. '123asd' '19asd' '12345asd' 'asd123' 'asd12' turns into '19asd'..
What are the rules for Javascript's automatic semicolon insertion (ASI)? http://stackoverflow.com/questions/2846283/what-are-the-rules-for-javascripts-automatic-semicolon-insertion-asi token by at least one LineTerminator . The token is E.g. 1 2 3 is transformed to 1 2 3 The NumericLiteral 1 meets the.. is automatically inserted at the end of the input stream. E.g. a b c is transformed to a b c This case occurs when a token..
What it the significance of the Javascript constructor property? http://stackoverflow.com/questions/4012998/what-it-the-significance-of-the-javascript-constructor-property property as I can't seem to make it have any effect. E.g. function Foo age this.age age function Bar this.name baz Bar.prototype..
Javascript dynamic variable name http://stackoverflow.com/questions/5117127/javascript-dynamic-variable-name there any way of doing something like this with Javascript E.g. if I have a var name 'the name of the variable' can I get a..
jQuery.getJSON - Access-Control-Allow-Origin Issue http://stackoverflow.com/questions/6396623/jquery-getjson-access-control-allow-origin-issue the JSON in JavaScript code that would call that function. E.g. if your current JSON response is weather Dreary start but soon..
document.ontouchmove and scrolling on iOS 5 http://stackoverflow.com/questions/7798201/document-ontouchmove-and-scrolling-on-ios-5 by selecting whether or not preventDefault is called. E.g. document.ontouchmove function e var target e.currentTarget..
load and execute order of scripts http://stackoverflow.com/questions/8996852/load-and-execute-order-of-scripts good cross browser reference that covers really all cases E.g. http www.websiteoptimization.com speed tweak defer only deals..
For each in an array. How to do that in JavaScript? http://stackoverflow.com/questions/9329446/for-each-in-an-array-how-to-do-that-in-javascript 1 which is the maximum value an array's length can have. E.g. an array's length fits in a 32 bit unsigned integer. Props.. because it only loops for entries that actually exist. E.g. for the array above we loop a total of three times for keys..
How do I escape a string inside javascript inside an onClick handler? http://stackoverflow.com/questions/97578/how-do-i-escape-a-string-inside-javascript-inside-an-onclick-handler for all chars that are out of the usual whitelist. E.g. a href # onclick SelectSurveyItem ' JSEncode itemid ' ' JSEncode..
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