--- tags: Javascript disqus: hackmd --- # [JS][ES7]Array.prototype.includes() [Array.prototype.includes()](https://developer.mozilla.org/zh-TW/docs/Web/JavaScript/Reference/Global_Objects/Array/includes) [五個小技巧讓你寫出更好的 JavaScript 條件語句](https://askiebaby.github.io/javascript-good-condition-statement/) ---