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面试之 js基础 #13
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遇到的一些面试题汇集:1. 关于js模块的:来自 mqyqingfeng/Blog#108
2. 关于setTimeout,async,promise的执行顺序3. 函数参数 arguments 是数组吗,有什么区别arguments对象不是一个 Array 。它类似于Array,但除了length属性和索引元素之外没有任何Array属性。可以转化为一个数组
4. js继承(最优解:寄生组合继承)源码这里主题思路:方法和属性分别分开继承(且只调用一次父的构造函数)
寄生组合继承还可以如下:使用Object.create()
5. 浏览器多个标签页之间的通信6. 经典的this 彻底弄清 this call apply bind 以及原生实现7.前端鉴权8. 浏览器跨域拦截流程9. 关于原型链
10. 静态资源放置于独立域名之下
同时,就已经减轻了每台服务器的压力,服务器越多,每个服务器压力就越小 |
学习
问题1:
问题2:
问题3:
问题4: 主要是查看这里
ECMAScript的最新说明:https://tc39.github.io/ecma262/#sec-intro
你不知道的js https://github.com/getify/You-Dont-Know-JS
关于js中Eventloop 具体看node官方中介绍: https://nodejs.org/es/docs/guides/event-loop-timers-and-nexttick/
以及浏览器中事件队列与之区别
Number.isNaN() VS isNaN()
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