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new 关键字的实现和原理 #3
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JavaScript
JavaScript 语言的学习
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new 操作符
一句话介绍 new:
JavaScript高级程序设计(第4版)中可以看到new的工作流程
new操作执行时会做出以下操作
手动实践一个:
优化一下:
其他版本:
参考
JavaScript 深入之 new 的模拟实现
JS 的 new 到底是干什么的?
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