es6删除数组元素或者对象元素的方法介绍（代码）

let arr = [
 {name:'黎明',id:21111},
 {name:'王小二',id:1111},
 {name:'大小二',id:3222}
 ]
arr.splice(arr.findIndex(item => item.id === 3222), 1)

arr.filter(obj=>obj.id!==3222)

let arr = {
 name: '黎明',
 id: 1111,
 age: 24
};

方法1：

const personUnkonwAge = (({name, id}) => ({name,id}))(arr)
console.log(personUnkonwAge)
console.log(arr)

方法二：

let {name, ...personUnknowName} = arr
console.log(personUnknowName)