JSHINT

JSHint is a community-driven tool to detect errors and potential problems in JavaScript code and to enforce your team’s coding conventions. It is very flexible so you can easily adjust it to your particular coding guidelines and the environment you expect your code to execute in. JSHint is open source and will always stay this way.

goal

The goal of this project is to help JavaScript developers write complex programs without worrying about typos and language gotchas.

Any code base eventually becomes huge at some point, and simple mistakes—that would not show themselves when written—can become show stoppers and waste hours of debugging. And this is when static code analysis tools come into play and help developers to spot such problems. JSHint scans a program written in JavaScript and reports about commonly made mistakes and potential bugs. The potential problem could be a syntax error, a bug due to implicit type conversion, a leaking variable or something else.

Only 15% of all programs linted on this website pass the JSHint checks. In all other cases, JSHint finds some red flags that could’ve been bugs or potential problems.

Please note, that while static code analysis tools can spot many different kind of mistakes, it can’t detect if your program is correct, fast or has memory leaks. You should always combine tools like JSHint with unit and functional tests as well as with code reviews.

 

How to install and verify version:

npm install jshint

which jshint
/usr/local/bin/jshint

/usr/local/bin/jshint -version
jshint v2.3.0

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