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javascript Programming Glossary: thoughHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work alert 16 because bar can still refer to x and tmp even though it is no longer directly inside the scope. However since tmp..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json chain and inheritance is out of scope for this answer though. Further reading material How to access arrays and objects is..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events team no longer recommend its use and neither do I. Even though it can be tedious to hook and unhook events your code will be..
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 quickly get confusing and hard to maintain. In AngularJS though the view is the official record of view based functionality...
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript new Shape is ugly we're instantiating the base class even though no actual Shape is to be created. It happens to work in this.. over the instance variable usually called that or self though personally I would advise against the latter as self already.. don't get the arguments 1 1 in the above snippet for free though so you would still need another closure or a bind if you need..
Change an element's CSS class with JavaScript http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript jQuery probably the most commonly used JavaScript library though there are others worth investigating too . Note that here is.. these do not work in Internet Explorer prior to v10 though there is a shim to add support for it to IE8 and IE9 available..
Use of 'prototype' vs. 'this' in Javascript? http://stackoverflow.com/questions/310870/use-of-prototype-vs-this-in-javascript member on an object. If you did have an inheritance chain though our examples do not the second snippet would potentially make..
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 I recently updated this to be a bit more exhaustive though it is hardly that. Corrections welcome... Using the constructor..
http://stackoverflow.com/questions/492994/compare-dates-with-javascript constrained form of date entry rather than text boxes though lest you find yourself in input validation hell. share improve..
http://stackoverflow.com/questions/500431/javascript-variable-scope above. Seven.prototype.b 8 Will get reached even though 'b' is NOT set in the constructor. These will print 1 8 one..
Length of Javascript Object (ie. Associative Array) http://stackoverflow.com/questions/5223/length-of-javascript-object-ie-associative-array
http://stackoverflow.com/questions/5874652/prop-vs-attr not the DOM directly this could be a confusing change although it is definitely an improvement conceptually. Not so good for.. using jQuery that will break as a result of this change though. I'll summarize the main issues You usually want prop rather..
Most elegant way to clone a JavaScript object http://stackoverflow.com/questions/728360/most-elegant-way-to-clone-a-javascript-object there is a bullet proof general solution to this problem though I would be happy to be wrong When I had to implement general..
Why is setTimeout(fn, 0) sometimes useful? http://stackoverflow.com/questions/779379/why-is-settimeoutfn-0-sometimes-useful element.index However this code wasn't working. Even though the field's selectedIndex was being set correctly the wrong.. of 0 does. It is like a thread process yield in C. Although it seems to say run this immediately it actually gives the browser..
What is JavaScript garbage collection? http://stackoverflow.com/questions/864516/what-is-javascript-garbage-collection which is Microsoft's own implementation of ECMAScript although very similar to JavaScript. I would imagine that you can assume.. the implementation will vary from browser to browser though I suspect you could take a number of the common principles and.. about memory management of the objects they create and use though of course there's no avoiding it sometimes it is always beneficial..
Can I get the name of the currently running function in JavaScript? http://stackoverflow.com/questions/1013239/can-i-get-the-name-of-the-currently-running-function-in-javascript name though as it will probably include some extra junk. Though in some implementations you can simply get the name using arguments.callee.name...
JavaScript Event prototype in IE8 http://stackoverflow.com/questions/10617014/javascript-event-prototype-in-ie8 see here . This fiddle shows OK in IE8 firefox and chrome. Though when I add this to my script IE8 breaks on the first line saying..
jQuery id selector works only for the first element http://stackoverflow.com/questions/11114622/jquery-id-selector-works-only-for-the-first-element HANDLE #id else elem document.getElementById match 2 Though in the spec of document.getElementById they didn't mention it..
Memory leak risk in JavaScript closures http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures that has me wondering as to possible memory leaks. Though I know IE 8 deals with closures a lot better then its predecessors..
Getting SlowAES and RijndaelManaged class in .NET to play together http://stackoverflow.com/questions/1149611/getting-slowaes-and-rijndaelmanaged-class-in-net-to-play-together 69 03 18 FF It successfully decrypts in both cases. EDIT Though I packaged the slowAES encryption in a WSC it will be interoperable..
window.onbeforeunload and window.onunload is not working in Firefox , Safari , Opera? http://stackoverflow.com/questions/14645011/window-onbeforeunload-and-window-onunload-is-not-working-in-firefox-safari-o web dont let the door hit you onunload and onbeforeunload Though the onunload event doesn't work completely you can use onunload..
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 gets updated the view will change too. Automatically. Neat Though I didn't show it here the data binding is two way. So those..
Using HTML5/Javascript to generate and save a file http://stackoverflow.com/questions/2897619/using-html5-javascript-to-generate-and-save-a-file done with pure HTML5... so Flash is right out in my case. Though it's a perfectly valid answer for anyone doing a real web app...
Legitimate uses of the Function constructor http://stackoverflow.com/questions/3026089/legitimate-uses-of-the-function-constructor function call for example. Mark ˜Tarquin Wilton Jones Though it's not that bad according to this post on MDC I didn't test..
Anyone have a diff algorithm for rendered HTML? http://stackoverflow.com/questions/31722/anyone-have-a-diff-algorithm-for-rendered-html view would know to space things correctly. @Josh exactly. Though maybe it would show the deleted text in red or something. The..
Changing the default title of confirm() in JavaScript? http://stackoverflow.com/questions/43955/changing-the-default-title-of-confirm-in-javascript in Firefox it's JavaScript program . Not very informative. Though I can understand from a browser security stand point that you..
Invoke native date picker from web-app on iOS/Android http://stackoverflow.com/questions/4946919/invoke-native-date-picker-from-web-app-on-ios-android might be different on a real device please comment or edit Though the Android date picker plugin tries to use the same JavaScript..
How can I know the id of a JSF component so I can use in Javascript http://stackoverflow.com/questions/6045307/how-can-i-know-the-id-of-a-jsf-component-so-i-can-use-in-javascript above to get the actual generated id of the component. Though in my tests this doesn't work. Can anyone else confirm deny...
How to properly handle session and access token with Facebook PHP SDK 3.0? http://stackoverflow.com/questions/6468103/how-to-properly-handle-session-and-access-token-with-facebook-php-sdk-3-0 to the Facebook Page and Tab to get a new signed request . Though this might help solve this problem I want to prevent my app..
Autosizing textarea using prototype http://stackoverflow.com/questions/7477/autosizing-textarea-using-prototype up unnecessary space but will show all the text in it. Though if someone comes up with another way to approach the problem..
Are there are any side effects of using this method to convert a string to an integer http://stackoverflow.com/questions/8112757/are-there-are-any-side-effects-of-using-this-method-to-convert-a-string-to-an-in will result in NaN when the input is not valid number. Though unlike parseInt floating point numbers will be parsed correctly...
What are the advantages that prototype based OO has over class based OO? http://stackoverflow.com/questions/879061/what-are-the-advantages-that-prototype-based-oo-has-over-class-based-oo of prototype based OO Do they teach the latter in schools Though Javascript is prototype based most people use it mostly functionally..
Immediate function invocation syntax http://stackoverflow.com/questions/939386/immediate-function-invocation-syntax side of an assignment expression var someVar function ... Though the outermost parentheses are syntactically unnecessary the..
JavaScript I18n (internationalization) frameworks/libraries for client-side use? http://stackoverflow.com/questions/9640630/javascript-i18n-internationalization-frameworks-libraries-for-client-side-use i18next has to post missing translations to a webservice. Though we won't need this it is a nice feature. javascript internationalization..
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