JSLintより使いやすい JavaScript構文チェックサービス

JSHint, A JavaScript Code Quality Tool

How JSHint is different from JSLint

JSHint is a fork of Douglas Crockford's JSLint that is designed to be more flexible than the original. Our goal is to make a tool that helps you to find errors in your JavaScript code and to enforce your favorite coding style.

要らないとこばかりチェックするJSLintと違い、デフォルトの設定でかなり普通のJavaScriptをPASSしてくれるので使いやすい