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javascript Programming Glossary: alwaysWhat is the difference between a function expression vs declaration in Javascript? [duplicate] http://stackoverflow.com/questions/1013385/what-is-the-difference-between-a-function-expression-vs-declaration-in-javascrip get an error But if you call a function declaration it'll always work. Because no code can be called until all declarations are..
How do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work tmp 3 function bar y alert x y tmp bar 10 foo 2 This will always alert 16 because bar can access the x which was defined as an.. into foo as its argument x . On the other hand JavaScript always uses references when dealing with Objects. If say you called..
Href attribute for JavaScript links: “#” or “javascript:void(0)”? http://stackoverflow.com/questions/134845/href-attribute-for-javascript-links-or-javascriptvoid0 team you have to either state Use href # make sure onclick always contains return false at the end that any called function does..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events page transitions .... Final notes Always and I mean always read official jQuery Mobile documentation. It will usually provide..
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 tempting when you're just starting out which is why I always recommend that new AngularJS developers don't use jQuery at.. kind and add a directive onto them. The developer is always flabbergasted when we reply you don't. But the reason you don't.. Speaking of testing... 4. Test driven development always This is really part of section 3 on architecture but it's so..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript then uses self. in all functions to make sure the scope is always correct. Then I have seen examples of using .prototype to add..
How can I obfuscate JavaScript? http://stackoverflow.com/questions/194397/how-can-i-obfuscate-javascript and gzipping and the added savings of obfuscation isn't always worth the trouble . If you're trying to protect your source..
When is JavaScript's eval() not evil? http://stackoverflow.com/questions/197769/when-is-javascripts-eval-not-evil and run eval on it to yield the result. However I've always shied away from using eval if I can avoid it because it's evil.. can avoid it because it's evil and rightly or wrongly I've always thought it is even more evil in JavaScript because the code..
http://stackoverflow.com/questions/2067472/what-is-jsonp-all-about end up using timers to monitor the request etc which is always a bit suspect. The proposition for JSONRequest is a great solution..
Use of 'prototype' vs. 'this' in Javascript? http://stackoverflow.com/questions/310870/use-of-prototype-vs-this-in-javascript explicitly assigned to a prototype object. The prototype always provides the access in the javascript system. Javascript isn't..
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 My advice is to never use the evil twins. Instead always use and . All of the comparisons just shown produce false with..
How do I check a checkbox with jQuery? http://stackoverflow.com/questions/426258/how-do-i-check-a-checkbox-with-jquery of jQuery If you're working with just one element it will always be fastest to use DOMElement.checked true . The benefit to using..
http://stackoverflow.com/questions/5874652/prop-vs-attr as value and checked for these attributes the property always represents the current state while the attribute except in old..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example lot on SO but this situation pops up a lot for me and I'm always left scratching my head what to do. var funcs for var i 0 i..
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 to write all this stuff. Well in that case you can use as always the fantastic free jQuery framework which let you do the very..
Webrole is not starting and always busy http://stackoverflow.com/questions/10381345/webrole-is-not-starting-and-always-busy is stuck I have found the following steps very useful Always add RDP access to your role because in some cases when role..
jquery .ready and height of element http://stackoverflow.com/questions/11115179/jquery-ready-and-height-of-element .ready I am always given zero. function '#my elem' .height Always gives me zero. If I put code in a delay with setTimeout around..
Understanding Global & Local Scope in Javascript http://stackoverflow.com/questions/11938961/understanding-global-local-scope-in-javascript 123 function f var a alert a a 1 alert a f Lesson to learn Always declare your variables before you use them. Some will say declare..
Javascript Function With JQuery POST Always Returns undefined http://stackoverflow.com/questions/1400854/javascript-function-with-jquery-post-always-returns-undefined Function With JQuery POST Always Returns undefined I have no idea what's going on here and was..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events of page enhancements page transitions .... Final notes Always and I mean always read official jQuery Mobile documentation...
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 become a crutch or you'll never master AngularJS. 3. Always think in terms of architecture First know that single page applications..
Instantiating a JavaScript object by calling prototype.constructor.apply http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply internal value of NaN and therefore alert Date.prototype Always returns Invalid Date on Firefox Opera Safari Chrome but not..
Node.js POST causes [Error: socket hang up] code: 'ECONNRESET' http://stackoverflow.com/questions/18692580/node-js-post-causes-error-socket-hang-up-code-econnreset to 'Content Length' Buffer.byteLength data RULE OF THUMB Always use Buffer.byteLength when you want to find the content length..
Create an empty object in JavaScript with {} or new Object()? http://stackoverflow.com/questions/251402/create-an-empty-object-in-javascript-with-or-new-object Never use new Object it's klunky and looks silly. Always use except when you need to quickly create an empty array with..
How do I send a cross-domain POST request via JavaScript? http://stackoverflow.com/questions/298745/how-do-i-send-a-cross-domain-post-request-via-javascript but my guess is its a FF bug seems to be fixed in FF4 . Always return the headers above not just on OPTION requests. FF needs..
Javascript Try-Catch Performance Vs. Error Checking Code http://stackoverflow.com/questions/3217294/javascript-try-catch-performance-vs-error-checking-code execute. Abelson Sussman SICP preface to the first edition Always aim to readable code. The key thing to remember is Avoid try..
Setting JavaScript window.location http://stackoverflow.com/questions/3643041/setting-javascript-window-location need this to stop those characters breaking the parameter. Always URL encode arbitrary strings before putting them into part of..
Bug with Chrome's localStorage implementation? http://stackoverflow.com/questions/4679023/bug-with-chromes-localstorage-implementation IE9's implementation is broken. What do we learn from that Always read every single word of the specification especially if you're..
jQuery Ajax POST example with php http://stackoverflow.com/questions/5004233/jquery-ajax-post-example-with-php the global variable _POST like this bar _POST 'bar' Note Always sanitize posted data to prevent injections and other malicious..
What is AJAX and how does it work? [duplicate] http://stackoverflow.com/questions/6009206/what-is-ajax-and-how-does-it-work AJAX as the sole solution for critical user functionality Always have a fallback Note This community wiki post uses JQuery to.. to security issues if the result has malicious code in it. Always use a JSON parser that checks for secure data Using the previous..
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 And this function is called on form submit. Always worked for me but somehow it still sends the form although session..
Ways to save Backbone.js model data? http://stackoverflow.com/questions/9816274/ways-to-save-backbone-js-model-data important to note that Backbone expects a JSON object. Always have your server designate the content type as 'application..
How to send data in request body with a GET when using jQuery $.ajax() http://stackoverflow.com/questions/10298899/how-to-send-data-in-request-body-with-a-get-when-using-jquery-ajax in fiddler I can see that the data I am sending is ALWAYS converted and appended to the query string despite me setting..
Ember.js - How to properly bind a collection to a view using Ember.Router? http://stackoverflow.com/questions/11301798/ember-js-how-to-properly-bind-a-collection-to-a-view-using-ember-router if I inspect the content collection here it's empty ALWAYS but if I access the same route the controller will alert the..
Refresh / Redraw a Layer in OpenLayers (KML) Network-Link Auto Refresh http://stackoverflow.com/questions/2995238/refresh-redraw-a-layer-in-openlayers-kml-network-link-auto-refresh my needs with no problem at all kml layer loading DOES NOT ALWAYS COMPLETE properly. apparently depending on how long your dynamic..
jQuery Optimization/Best Practices http://stackoverflow.com/questions/3230727/jquery-optimization-best-practices specificity always better This one is pretty simple is it ALWAYS beneficial to be more specific with our selectors It's easy..
Using PUT/POST/DELETE with JSONP and jQuery http://stackoverflow.com/questions/5345493/using-put-post-delete-with-jsonp-and-jquery to whatever fits into a redirection. The server must ALWAYS return a REDIRECT to a POST requests. That include 404 and 500..
complicated CSS layout… need some help http://stackoverflow.com/questions/5720552/complicated-css-layout-need-some-help I want the height of the pink and blue columns to ALWAYS be the same height but the height is only determined by the..
Prevent Cheating on Javascript Game http://stackoverflow.com/questions/7171101/prevent-cheating-on-javascript-game logical ideas to promote fair game play because there is ALWAYS people who seek to cheat become top of the leader board. With..
Javascript request fullscreen is unreliable http://stackoverflow.com/questions/9454125/javascript-request-fullscreen-is-unreliable browser to fullscreen sometimes it works sometimes not. It ALWAYS calls the alert to indicate it is requesting fullscreen. Here's..
Why not take Javascript event delegation to the extreme? http://stackoverflow.com/questions/9711118/why-not-take-javascript-event-delegation-to-the-extreme if you enforce a policy of if you put .foo on a TD it's ALWAYS going to get the event hooked up neither of these seems like..
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