为什么需要 "use strict"：一段语言兼容性的历史 长久以来，JavaScript 不断向前发展，新特性被陆续加入，而旧功能也一直保持不变—— 从未带来任何兼容性问题。这样做的好处是旧代码永远可以运行，但代价同样明显：JavaScript 创造者早期的任何错误或不够完善的决定，也会被永久保留在语言中 ...

导读：IIFE（Immediately Invoked Function Expression，立即调用函数表达式）是 JavaScript 中最经典也最常被误解的函数技巧之一。本文以 iife.md为骨架，结合本仓库中 arrow-functions.md、closures.md、use-strict.md等相关章节与源码级细节，系统拆解 IIFE 的语法构成、执行时机、作用 ...

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For everyone involved, the war in Iran has been a strategic failure. The United States and Israel have shown that they can achieve a few military objectives, such as sinking Iran’s navy. But after ...

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Property taxes can vary nearly 15-fold across states. See where homeowners face the biggest lifetime bills and what drives the differences.

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Design a React assistant where Chrome summarizes locally, Gemini proposes bounded changes, and the original brief remains ...