删除对象数组中的重复元素
语法
import { arrObjectWithoutDupli } from 'warbler-js';const result = arrObjectWithoutDupli(arr,key)
参数
arr(Array) : 要去重的数组。key(String) : 根据对象的key去重。
返回值
Array : 返回一个去重后的新数组。
源码
const obj = {};const arrObjectWithoutDupli = (arr, key) =>arr.reduce((cur, next) => {if (!obj[next[key]]) {obj[next[key]] = cur.push(next);}return cur;}, []);
例子
import { arrObjectWithoutDupli } from 'warbler-js';const fruits = [{ name: 'Grapes', quantity: 2 },{ name: 'Bananas', quantity: 5 },{ name: 'Apples', quantity: 10 },{ name: 'Grapes', quantity: 4 },{ name: 'Grapes', quantity: 6 },];const result = arrObjectWithoutDupli(fruits, 'name');console.log(result); // =>// [// {name: 'Grapes', quantity: 2},// {name: 'Bananas', quantity: 5},// {name: 'Apples', quantity: 10},// ];
