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What is the scope of variables in JavaScript?

What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the variables stored if they are defined globally? ...
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What is the maximum length of a URL in different browsers?

What is the maximum length of a URL in different browsers? Does it differ among browsers? 18 Answers ...
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Why would one use nested classes in C++?

Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes ...
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Rails server says port already used, how to kill that process?

I'm on a mac, doing: 12 Answers 12 ...
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What is the fastest method for selecting descendant elements in jQuery?

As far is I know, there are a number of ways of selecting child elements in jQuery . 3 Answers ...
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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?

What's the difference between F5 refresh and SHIFT + F5 in Google Chrome browser? 3 Answers ...
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How to parse float with two decimal places in javascript?

I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00. Or if it equals 10.6 would be 10.60. Not sure how to do this. ...
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Bubble Sort Homework

In class we are doing sorting algorithms and, although I understand them fine when talking about them and writing pseudocode, I am having problems writing actual code for them. ...
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What are the typical reasons Javascript developed on Firefox fails on IE? [closed]

I developed some javascript enhanced pages that run fine on recent Firefox and Safari. I missed to check in Internet Explorer, and now I find the pages don't work on IE 6 and 7 (so far). The scripts are somehow not executed, the pages show as if javascript wasn't there, although some javascript is e...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

I have encountered this piece of code 3 Answers 3 ...