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javascript Programming Glossary: alsoHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work the x which was defined as an argument to foo and it can also access tmp from foo . That is a closure. A function doesn't.. foo 2 bar is now a closure. bar 10 The above function will also alert 16 because bar can still refer to x and tmp even though.. tmp is still hanging around inside bar 's closure it is also being incremented. It will be incremented each time you call..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json can be used as key in objects. The key value pairs are also called the properties . Properties can be accessed either using.. objects properties with `obj.id` and `obj.name`. We could also use `data.items i .id`. One could also use for...in to iterate.. We could also use `data.items i .id`. One could also use for...in to iterate over arrays but there are reasons why..
Most efficient way to clone an object? http://stackoverflow.com/questions/122102/most-efficient-way-to-clone-an-object JSON.encode o but question the efficiency. I've also seen recursive copying functions with various flaws. I'm surprised.. information can be found in the jQuery documentation . I also want to note that the deep copy is actually much smarter than..
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 2. will but without leaving the current page. You can also use Javascript to make the browser open a new page using window.location..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events share improve this question Related This article can also be found as a part of my blog HERE . document .on 'pageinit'.. while creating a jQuery Mobile application. There's also another special jQuery Mobile event and it is called mobileinit.. http jsfiddle.net Gajotres 9KKbx Solution 3 You can also access data from the previous page like this '#index' .live..
How can I obfuscate JavaScript? http://stackoverflow.com/questions/194397/how-can-i-obfuscate-javascript enhanced and maintained by the Yahoo UI team. You may also use Google Closure Compiler UglifyJS Private String Data Keeping.. That would probably be one of the most secure options but also a lot of work which may be unnecessary. You could probably base64..
http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about will be executed. Voila cross domain requests It's also worth noting the one major issue with JSONP you lose a lot of..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname JavaScript code. I'm fixing bugs adding features and also trying to tidy up the code and make it more consistent. The..
How to parse JSON in JavaScript http://stackoverflow.com/questions/4935632/how-to-parse-json-in-javascript this performs additional unnecessary checks that are also performed by JSON.parse so for the best all round performance..
http://stackoverflow.com/questions/5874652/prop-vs-attr as its old behaviour for Boolean attributes . John Resig also blogged about it . I can see the difficulty they were in but.. if document.getElementById cb .checked ... The property also makes checking or unchecking the checkbox trivial document.getElementById..
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 returns Monday June 29 2009 in IE but not FF or Chrome Also here I couldn't find any documentation on all the ways we can..
Detect element content changes with jQuery http://stackoverflow.com/questions/1091661/detect-element-content-changes-with-jquery when doing something like #content .html 'something' Also html or append function don't have a callback. Any suggestions..
http://stackoverflow.com/questions/119441/highlight-a-word-with-jquery Try highlight JavaScript text higlighting jQuery plugin . Also try the updated version of the original script . share improve..
What's the effect of adding 'return false' to an onclick event? http://stackoverflow.com/questions/128923/whats-the-effect-of-adding-return-false-to-an-onclick-event here a What's the effect of the return false in there Also I don't usually see that in buttons. Edit Is this specified..
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..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false you have to remember about correct casing parenthesis etc. Also I have to define the first parameter in callback to be able..
jQuery Mobile: Markup Enhancement of dynamically added content http://stackoverflow.com/questions/14550396/jquery-mobile-markup-enhancement-of-dynamically-added-content role page ' .trigger 'create' and ' data role page ' .page Also how can I prevent enhancement markup of check boxes only javascript..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript instances prototypical inheritance may serve you better. Also calling a method of the base class is slightly annoying as you.. the subclass constructor overwrote it or it gets lost. Also because there is no inheritance here the instanceof operator..
When is JavaScript's eval() not evil? http://stackoverflow.com/questions/197769/when-is-javascripts-eval-not-evil it's very very hard to ensure this in the general case . Also if you're running in the browser then code injection is a pretty..
JavaScript unit test tools for TDD http://stackoverflow.com/questions/300855/javascript-unit-test-tools-for-tdd avoid absolute hard coded path to reference js unit files. Also I still need to look at a proper JavaScript editor or Eclipse..
Preview an image before it is uploaded http://stackoverflow.com/questions/4459379/preview-an-image-before-it-is-uploaded
http://stackoverflow.com/questions/500431/javascript-variable-scope as opposed to outside a function Or does it even matter Also where are the variables stored if they are defined globally..
Why is using “for…in” with array iteration such a bad idea? http://stackoverflow.com/questions/500504/why-is-using-for-in-with-array-iteration-such-a-bad-idea a Shows only the explicitly set index of 5 and ignores 0 4 Also consider that JavaScript libraries might do things like this..
How to create a <style> tag with Javascript http://stackoverflow.com/questions/524696/how-to-create-a-style-tag-with-javascript Opera and Internet Explorer but not in Google Chrome. Also it's a bit ugly with the br in front for IE. Does anyone know..
How does JavaScript .prototype work? http://stackoverflow.com/questions/572897/how-does-javascript-prototype-work object MyObject.prototype.test function alert 'OK' OK Also these slides really helped a lot. javascript dynamic languages..
Most elegant way to clone a JavaScript object http://stackoverflow.com/questions/728360/most-elegant-way-to-clone-a-javascript-object For example prototype is a hidden property of a function. Also an object's prototype is referenced with the attribute __proto__..
Generating PDF files with Javascript http://stackoverflow.com/questions/742271/generating-pdf-files-with-javascript very young and I'll be adding features and bug fixes soon. Also got a few ideas for workarounds in browsers that do not support..
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..
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