name: 'json'
}]
let newArr = obj.map((item,index) =>{
return Object.assign(item,{index:index})
})
多添加了一些属性...,是为了区别字符串单引号和双引号的,
用了.就不用中括号不用单引号
不用点 就要用中括号和单引号
var a =[{name: 'Tom',age:20},{name: 'Tom2',age:22}]...a,b,c);
console.log(a)
function merge(a,b,attrName){
let attr = attrName
b.map((value,index)=>{
//数组...})
return a
}
输出结果:
Array [Object { name: "dede", age: "18" }, Object { name: "jeen", age: "19" }]
向对象中插入对象...= 1;
})
循环向数组resultlist中添加age属性
let resultList = [{"name":"a1","shapes":[{"age":12,"sex":"female"}]}