ES6记录

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1、合并两个数组     let a1 = [1,2,3];     let b1 = [2,3,4];     b1 = [...b1,...a1]//[2,3,4,1,2,3] 2、接收数据     let obj = {         name:"dengjie",         nameList:[{           name:"汤姆"         }],       }<br>　　//前面的字段必须跟返回的obj的字段名一直      let {name:person,nameList:[{name:personName}]} = obj;       console.log(person,personName)//dengjie 汤姆