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javascript Programming Glossary: runWhat 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 foo Alerts 5. Declarations are loaded before any code can run. function foo return 5 As for the second part of your questions...
Href attribute for JavaScript links: “#” or “javascript:void(0)”? http://stackoverflow.com/questions/134845/href-attribute-for-javascript-links-or-javascriptvoid0 &rdquo When building a link that has the sole purpose to run JavaScript code there are 2 ways to write the code. Which is..
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 depending on application state local storage as well. When running tests on our controllers we don't want to have to communicate.. ' hello' expect elm.hasClass 'active' .toBeTruthy We run our test and confirm that it fails. So now we can write our..
Prototypical inheritance - writing up [duplicate] http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up THEN change it. BUT in Example 1 something else happens we run rabbit.eat which changes rabbit.full . full property is nowhere..
When is JavaScript's eval() not evil? http://stackoverflow.com/questions/197769/when-is-javascripts-eval-not-evil parsed the formula I could convert it into JavaScript and run eval on it to yield the result. However I've always shied away.. that JS libraries use eval for this somewhere even if they run the JSON through a regex check first but when else other than.. evil are performance and code injection. Performance eval runs the interpreter compiler. If your code is compiled then this..
Use of 'prototype' vs. 'this' in Javascript? http://stackoverflow.com/questions/310870/use-of-prototype-vs-this-in-javascript a function value. When that function is called the runtime system will look for a variable x in the current object.. function . When called with new the function is run in a blank object context. In other words because of the new..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname question The difference is that functionOne is defined at run time whereas functionTwo is defined at parse time for a script..
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 similar to the css media attribute I would like to run a different script if the browser is on a handheld device. The..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin processImages function data alert 'ok' eval jsonp You can run the example online . EDIT 2 Thanks to Darin for his help with.. Origin header came in. I believe you mentioned you were running it from a file URL. There are two ways for CORS headers.. via CORS... Make sure you're testing via http . Scripts running via file have limited support for CORS. Make sure the browser..
Most elegant way to clone a JavaScript object http://stackoverflow.com/questions/728360/most-elegant-way-to-clone-a-javascript-object JavaScript will not be simple or straightforward. You will run into the problem of erroneously picking up attributes from the..
Javascript closure inside loops - simple practical example http://stackoverflow.com/questions/750486/javascript-closure-inside-loops-simple-practical-example log its value. for var j 0 j 3 j funcs j and now let's run each one to see It outputs this My value 3 My value 3 My value.. i createfunc i for var j 0 j 3 j funcs j and now let's run each one to see Since there is no block scope in JavaScript..
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 you. In summary for people in a hurry he uses en event to run a callback function when the script is loaded. So you can put.. myPrettyCode function Here do what ever you want Then you run all that loadScript my_lovely_script.js myPrettyCode OK I got..
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 code This method is useful when you want to quickly run a small piece of code. See also How to disable facebook hotkeys.. Method 3 Using an inline event Sometimes you want to run some code immediately e.g. to run some code before the head.. Sometimes you want to run some code immediately e.g. to run some code before the head element is created. You can synchronously..
How do we or can we use node modules via npm with Meteor? http://stackoverflow.com/questions/10165978/how-do-we-or-can-we-use-node-modules-via-npm-with-meteor with NPM modules . For example to use a module like ws Run sudo npm install g ws or for local installs see this In your..
Chrome extension adding external javascript to current page's html http://stackoverflow.com/questions/10285886/chrome-extension-adding-external-javascript-to-current-pages-html execute code try window.eval code catch e console.error e Run the rest of your code. If your extension depends on GA initialize..
Why define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument new View #some div .html view.render .el Backbone jQuery Run MyApp in DOMReady function MyApp.init share improve this answer..
Href attribute for JavaScript links: “#” or “javascript:void(0)”? http://stackoverflow.com/questions/134845/href-attribute-for-javascript-links-or-javascriptvoid0 speed validation purposes etc a href # onclick myJsFunc Run JavaScript Code a or a href javascript void 0 onclick myJsFunc.. Code a or a href javascript void 0 onclick myJsFunc Run JavaScript Code a javascript html performance optimization..
How to get client IP address using jQuery http://stackoverflow.com/questions/1641868/how-to-get-client-ip-address-using-jquery
getElementsByTagName() equivalent for textNodes http://stackoverflow.com/questions/2579666/getelementsbytagname-equivalent-for-textnodes purpose and comparing its performance to TreeWalker . Run the tests yourselves on jsfiddle to see the results. Using a..
JavaScript unit test tools for TDD http://stackoverflow.com/questions/300855/javascript-unit-test-tools-for-tdd does not support Firefox versions 2.x nor 3.x jsspec Pros Runs on actual browser Cons JavaScript only framework cannot be.. framework cannot be called from ant build file jspec Pros Runs on actual browser Cons Does not seem to support our code I.. cannot be called from ant build file Screw.unit Pros Runs on actual browser Cons JavaScript only framework cannot be..
Which javascript minification library produces better results? [closed] http://stackoverflow.com/questions/360818/which-javascript-minification-library-produces-better-results input code judicious use of semicolons goes a long way. Run JSLint over your code and fix any problems reported. The style..
Run javascript function when user finishes typing instead of on key up? http://stackoverflow.com/questions/4220126/run-javascript-function-when-user-finishes-typing-instead-of-on-key-up javascript function when user finishes typing instead of on..
finding “line-breaks” in textarea that is word-wrapping ARABIC text http://stackoverflow.com/questions/4719777/finding-line-breaks-in-textarea-that-is-word-wrapping-arabic-text is word wrap it push new line break into the textarea. Run the function in the form submit and you will get the text with..
Run setTimeout only when tab is active http://stackoverflow.com/questions/5766263/run-settimeout-only-when-tab-is-active setTimeout only when tab is active Is there a way to stop setTimeout..
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