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jQuery If DIV Doesn't Have Class “x”

...http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script> <title>Sandbox</title> <meta http-equiv="Content-type" content="text/html; charset=utf-8" /> <style type="te...
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How to find the operating system version using JavaScript?

How can I find the OS name and OS version using JavaScript? 13 Answers 13 ...
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preventDefault() on an tag

... Set the href attribute as href="javascript:;" <ul class="product-info"> <li> <a href="javascript:;">YOU CLICK THIS TO SHOW/HIDE</a> <div class="toggle"> <p>CONTENT TO SHOW/HIDE</p> </div> </li&g...
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Why can I add named properties to an array as if it were an object?

... var myArray = Array(); myArray['A'] = "Athens"; myArray['B'] = "Berlin"; alert(myArray.length); This won't display '2', but '0' - effectively, no elements have been added to the array, just some new properties added to the array object. ...
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jQuery multiple events to trigger the same function

...ation is important, and may (or may not) be required depending on when the script is loaded / run, and if the elements exist in the DOM at the time the script is loaded / run. – random_user_name Jan 11 '17 at 16:57 ...
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AngularJS validation with no enclosing

...set="utf-8" /> <title>AngularJS Plunker</title> <script>document.write('<base href="' + document.location + '" />');</script> <link rel="stylesheet" href="style.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angula...
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How to select last two characters of a string

... slice() reference : developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… – Offirmo Oct 30 '13 at 9:20 add a comment  |  ...
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How can I know which radio button is selected via jQuery?

... alert($('input[name=radioName]:checked', '#myForm').val()); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <form id="myForm"> <input type="radio" name="radioName" value="1" /> 1 <br /> <input type="radio" na...
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Iterate through options

... $("#selectId > option").each(function() { alert(this.text + ' ' + this.value); }); http://api.jquery.com/each/ http://jsfiddle.net/Rx3AP/ share | improve this an...
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What is the instanceof operator in JavaScript?

... @Siku-Siku.Com - I don't see any trick to it var zero = 0; alert(zero); zero = "0"; alert(zero) we went from a primitive int to a primitive string without any issues. – JonH Oct 18 '12 at 18:05 ...