Check Your JavaScript with JSHint

Paul Irish and Anton Kovalyov have launched an online tool for checking your JavaScript code for errors and problems. JSHint aims to be more flexible and support more environments than JSLint, a similar tool created by Douglas Crockford.  Paul Irish and Anton Kovalyov have launched an online tool for checking your JavaScript code for errors and problems. JSHint aims to be more flexible and support more environments than JSLint, a similar tool

http://jshint.com/
cheers
samitha