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JavaScript 箭头函数:为何大厂内部都在谨慎使用?技术陷阱与最佳实践
上下文绑定的困扰 箭头函数最显著的特点是不绑定自身的 this,而是继承外部作用域的 this 值。这在某些情况下可以简化代码,但在其他情况下却可能导致难以预料的错误。例如,在对象方法中,箭头函数无法正确绑定到对象的上下文,导致 this.data ...
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