In the beginning I started learning to program with C++,for that I used Viusal C++, I had a debugging mode in Visual C++ where I could look what values variable have on Run-Time.As JS code is executed in browser I have to consider my self what values variables have. I want to know if there is some debugger available for JS where I can see values changing o0n Run-Time. Because of not knowing about any such debugger I have to spend more time while trying to figure out logical error.
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4Maybe Chrome devtools will help: https://developers.google.com/chrome-developer-tools/docs/javascript-debugging – ashatte Nov 04 '13 at 00:06
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3Alternatively, there's [Firebug](https://getfirebug.com/) – Nov 04 '13 at 00:08
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So, you haven't even tried to ask google for that? "how to debug javascript" provides tons of info. Next time - ask http://google.com **before** stackoverflow – zerkms Nov 04 '13 at 00:29
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Inspect variables in IE - http://msdn.microsoft.com/en-us/library/dd565625(v=vs.85).aspx#_vars
Watch variables in Firefox - https://developer.mozilla.org/en-US/docs/Tools/Debugger#Watch_expressions
Watch variables in Chrome - https://developers.google.com/chrome-developer-tools/docs/tips-and-tricks?hl=en#favorite-expression
kavun
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If you are looking for debugging just JavaScript by itself, check this question: JavaScript IDE/Compiler
