Sunny

# 对象写法

    let a = 1;
    let b = 2;
    let obj = {a,b};//a:1 b:2的简写
    console.log(obj)
1
2
3
4

# 方法(函数)的简写

    let obj = {
        // sayHello: function(){
        //     console.log('helloWorld');
        // }
        sayHello(){
            console.log('helloWorld');
        },

    }
    obj.sayHello()//helloWorld
1
2
3
4
5
6
7
8
9
10

# 传递字符串

    let str = 'name'
    let obj = {
        [str]: 'huahua'
    }
    console.log(obj);
    // name:huahua
    //会把字符串的名字当做key传进对象里面去
1
2
3
4
5
6
7

← 箭头函数 →