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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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Using “Object.create” instead of “new”

Javascript 1.9.3 / ECMAScript 5 introduces Object.create , which Douglas Crockford amongst others has been advocating for a long time. How do I replace new in the code below with Object.create ? ...
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jQuery textbox change event doesn't fire until textbox loses focus?

...ML: <input type="text" id="textbox" /> JS: <script type="text/javascript"> $(function () { $("#textbox").bind('input', function() { alert("letter entered"); }); }); </script> sha...
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How can I listen to the form submit event in javascript?

I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html. ...
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convert a JavaScript string variable to decimal/money

How can we convert a JavaScript string variable to decimal? 7 Answers 7 ...
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Javascript How to define multiple variables on a single line?

...documentation online, I'm getting confused how to properly define multiple JavaScript variables on a single line. 7 Answers...
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Remove Last Comma from a string

Using JavaScript, how can I remove the last comma, but only if the comma is the last character or if there is only white space after the comma? This is my code. I got a working fiddle . But it has a bug. ...
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How to pass an array into jQuery .data() attribute

...nted in the jQuery API - "Every attempt is made to convert the string to a JavaScript value (this includes booleans, numbers, objects, arrays, and null) otherwise it is left as a string." – Alnitak May 20 '11 at 12:51 ...
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Detecting touch screen devices with Javascript

In Javascript/jQuery, how can I detect if the client device has a mouse? 16 Answers ...
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jQuery, simple polling example

... Pure JavaScript timeout: new Promise( resolve => setTimeout(resolve,1000) ).then( () => alert("done") ) – Brent Bradburn Apr 24 '18 at 4:54 ...