Unverified90% confidenceFactTime unknown
JavaScript中函数声明（function declaration）会被完整提升，包括函数体，可以在函数定义之前调用
1
Sources
90%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
JavaScript入门教程：从变量声明到面向对象编程完整指南
youtubeNeuralNine
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