JSHint
参考：
JSHint – a JavaScript Code Quality Tool [Official]
ライセンス
参考：
Please change jshint.js license, remove bad or evil · Issue #1234 · jshint/jshint – GitHub
JSHint [JavaScript]
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Privacy - Terms
参考：
JSHint – a JavaScript Code Quality Tool [Official]
参考：
Please change jshint.js license, remove bad or evil · Issue #1234 · jshint/jshint – GitHub