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What are the best practices to follow when declaring an array in Javascript?

... jAndy, why would you want an array with "10 empty slots" in JavaScript? In reality, you can do the exact same thing with: var arr = []; arr[9] = "omega"; 1. Arrays in JS are totally dynamic, you can reference any index you would like, and it will just be "undefined". This is ...
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How to get text box value in JavaScript

I am trying to use JavaScript to get the value from an HTML text box but value is not coming after white space 15 Answers ...
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Default html form focus without JavaScript

...s it possible to set the default input focus on an HTML form without using JavaScript, for example: 5 Answers ...
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Get next / previous element using JavaScript?

How do I get the next element in HTML using JavaScript? 8 Answers 8 ...
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HtmlSpecialChars equivalent in Javascript?

... That's HTML Encoding. There's no native javascript function to do that, but you can google and get some nicely done up ones. E.g. http://sanzon.wordpress.com/2008/05/01/neat-little-html-encoding-trick-in-javascript/ EDIT: This is what I've tested: var div = docu...
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How do I convert an integer to binary in JavaScript?

... been a while since I tried javascript but trying it here w3schools.com/js/tryit.asp?filename=tryjs_output_alert with this <script> window.alert((-3 >>> 0).toString(2)); </script> yeah it worked – barlop...
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What does a tilde do when it precedes an expression?

...if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be... 0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 So ~ converts its operand to a 32 bit integer (bitwise operators in JavaScript do that)... 0000 0000 0...
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Is there a “null coalescing” operator in JavaScript?

Is there a null coalescing operator in Javascript? 13 Answers 13 ...
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How to pop an alert message box using PHP?

... You could use Javascript: // This is in the PHP file and sends a Javascript alert to the client $message = "wrong answer"; echo "<script type='text/javascript'>alert('$message');</script>"; ...
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Sleep in JavaScript - delay between actions

Is there a way I can do a sleep in JavaScript before it carries out another action? 11 Answers ...