Linting is the process of checking the source code for Programmatic as well as Stylistic errors. This is most helpful in identifying some common and uncommon mistakes that are made during coding.
A Lint
or a Linter
is a program that supports linting (verifying code quality). They are available for most languages like JavaScript, CSS, HTML, Python, etc..
Some of the useful linters are JSLint, CSSLint, JSHint, Pylint