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Are there legitimate uses for JavaScript's “with” statement?

...s: for (var i=0; i<3; ++i) { var num = i; setTimeout(function() { alert(num); }, 10); } Because the for loop does not introduce a new scope, the same num - with a value of 2 - will be shared by all three functions. A new scope: let and with With the introduction of the let statement in ES6...
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Using semicolon (;) vs plus (+) with exec in find

...e of the last find implementations to support + (used to be a pain to port script to GNU systems). – Stephane Chazelas Feb 19 '14 at 14:30 add a comment  | ...
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JQuery - $ is not defined

... That error can only be caused by one of three things: Your JavaScript file is not being properly loaded into your page You have a botched version of jQuery. This could happen because someone edited the core file, or a plugin may have overwritten the $ variable. You have JavaScript runni...
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What is the difference between localStorage, sessionStorage, session and cookies?

...Storage are perfect for persisting non-sensitive data needed within client scripts between pages (for example: preferences, scores in games). The data stored in localStorage and sessionStorage can easily be read or changed from within the client/browser so should not be relied upon for storage of se...
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What is meant by 'first class object'?

...E!"}; } else { return function (){ return "Holy CRAP!"}; } } alert("Men like women is " + men(like(women))); // -> "Holly TRUE!" alert("Women like men is " + women(like(men))); // -> "Holly TRUE!" alert("Men like aliens is " + men(like(aliens))); // -> "Holly CRAP!" alert("Al...
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Why are iframes considered dangerous and a security risk?

...useful protection from the reverse case. If you have a lot of third party scripts on your site you need to isolate forms from them. One suggested way of doing that was putting the form in its own minimal page with no third-party javascript, and displaying it in an iframe in the host page. hackern...
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Accessing Session Using ASP.NET Web API

... This solution has the added bonus that we can fetch the base URL in javascript for making the AJAX calls: _Layout.cshtml <body> @RenderBody() <script type="text/javascript"> var apiBaseUrl = '@Url.Content(ProjectNameSpace.WebApiConfig.UrlPrefixRelative)'; </s...
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What is the best practice for “Copy Local” and with project references?

... @Charlie Flowers, @ZXX edited the text to be a description could not get the xml to layout nicely. – Bas Bossink Dec 2 '10 at 10:52 1 ...
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Running script upon login mac [closed]

...ct Application click Show library in the toolbar (if hidden) add Run shell script (from the Actions/Utilities) copy & paste your script into the window test it save somewhere (for example you can make an Applications folder in your HOME, you will get an your_name.app) go to System Preferences -...
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How to check null objects in jQuery

... readable, although both ways are likely readable to someone who's used to scripting languages. – Sam Aug 10 '12 at 8:38 add a comment  |  ...