Comments (4)
mydaoyuan
commented on July 3, 2024
8
this绑定有四种情况；
- 默认绑定：函数独立调用时，this默认绑定到window
- 隐式绑定：看函数调用栈，上一个的栈点就是this，console.trace()可查看函数的调用关系
- 显式绑定：如call,apply,bind，this指向绑定对象
- new绑定：this指向new出来的对象
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VamKram
commented on July 3, 2024
(1)this -> obj
(2)this -> window
(3)this -> {number : 20}
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Jemair
commented on July 3, 2024
60 50 20
原因上面写了
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Reckfu1
commented on July 3, 2024
605020
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