面试

1、树型结构，过滤

2、数组去重，排序，深拷贝，取最大值

[
    {price: 9, name: '苹果'},
    {price: 4, name: '香蕉'},
    {price: 2, name: '西瓜'},
    {price: 12, name: '草莓'},
]

3、函数作用域、原型链

var o = {
    age: 18
};
var x = o;
x.age = 30;
console.log(o.age)

/*-----------------*/

var age = 18;
var o = {
    age: 30,
    getAge() {
        console.log(this.age);
    }
}
function readAage(cb) {
    cb();
}
readAage(o.getAge);
o.getAge.apply(this);

/*-----------------*/

function Person() {}
Person.prototype.age = 18;
var p1 = new Person();
console.log(p1.age)

Person.prototype.age = 30;
var p2 = new Person();
console.log(p2.age)

4、vue、vue-router

指令、v-model、.sync

5、自定义UI框架

6、webpack打包优化，自定义插件