While the previous excepted answer is an excellent one (and many thanks to its author for making it even better over time!), the world has moved on from JSLint. I'd recommend to anyone reading this very old question that you seriously consider chucking JSLint out of your development cycle in favor of its very effective successor, ESLint. For an even better experience, I'd suggest taking a hard look at the ES7 vs. TypeScript paths, with TSLint being your best option for TypeScript linting.

However, for the development experience that trumps even these modern libraries, go directly for Prettier.js. With Prettier, your linting woes become irrelevant, since Prettier will rewrite your code in an opinionated manner every time it's run.

For the best results with Prettier, add the packages lint-staged and husky to your dev-dependencies, then add the following in your package.json:

husky: {

  hooks: {

    pre-commit: lint-staged

  }

},

lint-staged: {

  *.{js,json,css,md}: [

    prettier --write,

    git add

  ]

},

This will force Prettier's auto-linting behavior to run every time Git's commit command runs.

I can't tell you what a relief using Prettier has been for the front-end development teams and projects I am responsible for. We've gone from code reviews bleeding with linting correction comments to zero almost immediately. Feedback from the teams has been universally positive.

The only modification I've made has been to the tabs-vs.-spaces setting. I've modified my .prettierrc.json file to select tabs instead of spaces, because use of spaces at different widths causes dirty git merge histories. You can't control the indentation of 250+ developers spread over multiple hemispheres, some of whom drop in and out of the project before you even know their names. So, setting tabs as the default indentation allows all of the developers to operate with the indentation they're comfortable with without modifying lines in Git. Here's my .prettierrc.json file, with some other slight modifications:

{

    arrowParens: always,

    bracketSpacing: false,

    singleQuote: true,

    useTabs: true,

    trailingComma: none

}