#call、apply、bind ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592478018424) - call()方法 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592478130946) > 子构造函数调用父构造函数 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592478393735) - apple()方法 >```apply() ```方法接受的是数组。 >使用 apply() 方法将数组添加到另一个数组。 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592478626222) > 使用 apply() 方法和内置函数 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592479021237) - ```bind()``` 方法 ``` ``` #递归 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592479666972) #作用域 1. 块级作用域 2.函数作用域 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592479984894) 3.全局作用域 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592480072639) ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592480127496) ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592480171597) ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592480281840) #闭包 ``` ``` #arguments 对象 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592480930650) #Function 对象 ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592481115088) ``` ``` ![image.png](https://dn-simplecloud.shiyanlou.com/courses/uid1356258-20200618-1592481158090)

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