How to find Javascript syntax errors [closed]

Answer 1

I find JSHint, + its vim plugin are very useful. Light weight of vim and still be able to track the syntax errors of the javascript.

https://github.com/walm/jshint.vim

Answer 2

Try JSlint

It's a great utility for debugging Javascript. If you're using the jQuery library, there is a plugin being developed and was just recently released, similarly called jQuery Lint

Answer 3

Javascript is run by the browser. I'm not sure there are are 'compilers' so to speak.

One thing you could try is Firefox with Firebug addon installed. You can easily refresh the page, get error listing, including line numbers, etc. Easy way to debug.

Also - If you are willing, using Visual Studio 2008 (or the free web developer version) gives you Javascript intellisense, including jQuery support. This will help you immensely in keeping your code clean as you go.

Answer 4

Ctrl + Shift + J in firefox, if you don't catch your mistakes until runtime. Of course firebug works better, but this is a quick way.

Answer 5

If you are using Textmate (mac) you can install this bundle

It is mainly jslint, that will check your JS syntax.
And it contains some other goodies like various compression tools