# JS-for...in與for...of的差別 * for...in 輸出的是**屬性名稱(key)**,for...of 輸出的是**值(value)** * for...of 是 ES6 的新語法。修復了ES5 for…in 的不足 * for...of 不能迭代物件,需要透過和 `Object.keys()` 搭配使用 [JS-for...in與for...of的差別](https://kanboo.github.io/2018/01/30/JS-for-of-forin/)
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