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The text was updated successfully, but these errors were encountered:
在解构赋值过程中,如果想要对象中的属性名和变量名不一致,就可以给变量取别名
在对象的解构赋值过程中,还是会先找到同名的属性,然后在赋值给对应的变量别名
let { foo:haha } = { foo:'aaa'} console.log(haha) console.log(foo)
上述的代码中,foo是匹配模式,haha才是变量。真正被赋值的是变量haha,而不是foo
构造函数用于:
初始化state
为事件执行函数绑定实例
react中最重要且必须实现的方法,常用来:
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The text was updated successfully, but these errors were encountered: