将数组对象中的属性值取出并组成新的数组
let arr = [ {name: "张三", age: "1", sex: "男", grade: 11},{name: "李四", age: "2", sex: "男", grade: 12},{name: "王五", age: "3", sex: "男", grade: 13},{name: "赵六", age: "4", sex: "男", grade: 16},
]let res = arr.map((item,index) => {return Object.assign({},{'name':item.name,'grade':item.grade})
})console.log(res)
// 输出结果为 [{name: '张三', grade: 11},{name: '李四', grade: 12},{name: '王五', grade: 13}, {name: '赵六', grade: 16}]
- https://blog.csdn.net/m0_61230908/article/details/125887153
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