问题描述
所以我有一个对象数组如下:
So I have an object array that as follows:
var array = [ {name:"Joe", date:'2018-07-01', amt:250 }, {name:"Mars", date:'2018-07-01', amt:250 }, {name:"Joe", date:'2018-07-02', amt:250 }, {name:"Saturn", date:'2018-07-01', amt:250 }, {name:"Joe", date:'2018-07-02', amt:250 }, {name:"Jupiter", date:'2018-07-01', amt:250 }, ]
我想根据 name、amount 和 date 是否重复来过滤数据.这个甚至不过滤重复的名称.
I want to filter data depending if the name, amount and date has duplicate. This one doesn't filter even a duplicate name.
var unique = array.filter((v, i, a) =>{ return a.indexOf(v) === i});
如何根据 name、amount 和 date 过滤重复项?
How can I filter duplicate for this one based on name, amount and date?
推荐答案
试试这个代码,它只返回唯一的对象.
Try this code it returns unique objects only.
var data = [ {name:"Joe", date:'2018-07-01', amt:250 }, {name:"Mars", date:'2018-07-01', amt:250 }, {name:"Joe", date:'2018-07-02', amt:250 }, {name:"Saturn", date:'2018-07-01', amt:250 }, {name:"Joe", date:'2018-07-02', amt:250 }, {name:"Jupiter", date:'2018-07-01', amt:250 }, ] var resArr = []; data.filter(function(item){ var i = resArr.findIndex(x => (x.name == item.name && x.date == item.date && x.amt == item.amt)); if(i <= -1){ resArr.push(item); } return null; }); console.log(resArr)
如果这不是你要找的,请告诉我.
Do tell me if this is not what you're looking for.