es6--箭头函数

箭头函数

var  c = (a,b)=>{
    return a+b;
}

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对象函数的解构

let j = {a:10,b:'156'};
var f = ({a,b="dasa"})=>{
    console.log(a,b)
}

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数组函数的解构

let arrra = [4,,65,5,6,9];
let c= (...arg)=>{
    console.log(...arg)
}
c(...arr)

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