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面试官问：能否模拟实现JS的call和apply方法

 5 years ago
source link: https://juejin.im/post/5bf6c79bf265da6142738b29
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之前写过两篇《面试官问：能否模拟实现JS的new操作符》和《面试官问：能否模拟实现JS的bind方法》 其中模拟bind方法时是使用的call和apply修改this指向。但面试官可能问：能否不用call和apply来实现呢。意思也就是需要模拟实现call和a

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