JS中回調函數(callback)理解

前言 今天有個剛入行的小兄弟問到了回調函數，講解了一番之後以爲不能白講，得把這些東西記下來，雖然很基礎。。。javascript 介紹 首先從英文介紹開始php A callback is a function that is passed as an argument to another function and is executed after its parent function ha

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