0604 fu

通过vant 看webpack vue less jsx
1、六种基本数据类型

undefined
null
string
boolean
number
symbol(ES6) //
一种引用类型

Object

2、 vant 里那种闭包的createmonpent
3、inline -block inline-block vertical-align
https://www.cnblogs.com/lsongyang/p/10733761.html
4、
4.1
{
let a = 10;
var b = 1;
}
a // ReferenceError: a is not defined.
b // 1

4.2

var a = [];
for (var i = 0; i < 10; i++) {
a[i] = function () {
console.log(i);
};
}
a[6](); // 10

5 this call apply
6 
只要某种数据结构具有Iterator接口，都可以采用数组形式的解构赋值
function* fibs() {
var a = 0;
var b = 1;
while (true) {
yield a;
[a, b] = [b, a + b];
}
}
var [first, second, third, fourth, fifth, sixth] = fibs();
7 v use install

8 Js 的return function 

function test(){return function(){ return 1 }}


>test()
ƒ (){ return 1 }
>test()()

9 flex song
https://www.cnblogs.com/samwu/p/4026350.html
10 
js中的 || 与 && 运算符详解
11
js 异步return返回问题
12
一次记住js的6个正则方法
13
@media screen and (max- 1365px) {
14
apply call
https://www.cnblogs.com/moqiutao/p/7371988.html

15 vs 调试
https://www.cnblogs.com/cnchengv/articles/11023011.html