文章浏览阅读16次。`for` 与 `while` 是 JavaScript 中最常用的两种循环结构，它们在语法形态上不同，但在语义上可以互相等价转换。本文以《现代 JavaScript 教程》中“用 while 替换 for”这一经典习题为核心，系统讲解 `while`、`do..while` 与 `for` 三种循环的语法、执行流程与等价改写方法，并结合仓库中同 ...

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