JavaScript 执行链断裂:一个未捕获 TypeError 如何让整个页面静默失效

Domain: frontend · Evidence E0 — Contributor self-reported
jsruntimetypeerrorexecution-modeldefensive

Summary

JavaScript 是单线程事件驱动模型。同步执行线程中任何一个未捕获的异常(TypeError、ReferenceError 等)都会导致**整个执行线程中断**,该线程后续所有代码不再执行。常见场景:

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