[Javascript] Arrow function 與一般匿名 function 對 this 的行為比較

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Link: https://medium.com/%E4%B8%80%E5%80%8B%E5%B0%8F%E5%B0%8F%E5%B7%A5%E7%A8%8B%E5%B8%AB%E7%9A%84%E9%9A%A8%E6%89%8B%E7%AD%86%E8%A8%98/javascript-arrow-function-%E8%88%87%E4%B8%80%E8%88%AC%E5%8C%BF%E5%90%8D-function-%E5%B0%8D-this-%E7%9A%84%E8%A1%8C%E7%82%BA%E6%AF%94%E8%BC%83-dcde0e2611d3?source=rss——javascript-5