JavaScript call apply方法的相关内容

文章 2024-07-02 来自：开发者社区

js【详解】call()、apply()、bind()方法

call()、apply()、bind()都是Function原型上的方法（所有的函数都是Function的实例，所以所有函数都支持这三种方法）用途都是改变this的指向。 var name="张三",age=18; var obj = { name:"李四", ...

文章 2023-08-22 来自：开发者社区

JS 手写实现call,apply方法

大概思路就是将你要调用的方法添加为对象里面的属性方法，这样就改变了方法里面的htis指向obj,然后调用该对象里面的方法，调用完成后，再将对象里面的此方法删除delete,将调用的结果返回。 // 手写实现call方法，改变this指向 const obj = { na...

文章 2021-09-11 来自：开发者社区

JS中的call()和apply()方法

1、方法定义call方法:语法：call([thisObj[,arg1[, arg2[, [,.argN]]]]]) 实参定义：调用一个对象的一个方法，以另一个对象替换当前对象。说明：call 方法可以用来代替另一个对象调用一个方法。call 方法可将一个函数的对象上下文从初始的上下文改变为由 thisObj 指定的新对象。如果没有提供 thisObj 参数，那么 Global 对象被用作...

文章 2017-06-20 来自：开发者社区

JS中的call()和apply()方法总结

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文章 2016-05-20 来自：开发者社区

JS中 call() 与apply 方法

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更新时间 2024-07-02 17:22:14

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