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JS 闭包 模拟私有变量 面试题 立即执行函数IIFE
2022-07-26 16:51:00 【HandsomeDanielWu】
模拟私有变量
面试题
互不影响
立即执行函数IIFE
for循环结束的时候i是5，arr[2]是在结束时才调用，捕获i值5
都是弹出5
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