如何在javascript中删除此对象数组中的重复值?
0: {d: “2021/01/19”, color: “#009988"}
1: {d: “2021/01/19”, color: “#CC3311"}
2: {d: “2021/01/19”, color: “#009988"}
3: {d: “2021/01/19”, color: “#009988"}
4: {d: “2021/01/20”, color: “#009988"}
5: {d: “2021/01/22”, color: “#009988"}
我想像这样过滤这个对象数组:
0: {d: “2021/01/19”, color: “#009988"}
1: {d: “2021/01/19”, color: “#CC3311"}
2: {d: “2021/01/20”, color: “#009988"}
3: {d: “2021/01/22”, color: “#009988"}
我已经这样做了,但结果不是我想要的。
for (let i = 0; i < array.length-1; i++) {
if (arr[i].d === array[i+1].d) {
if (array[i].color === array[i+1].color) {
array.splice(i, 1);
i--;
}
}
}
答案 0 :(得分:0)
arr.filter((el, index) => arr.findIndex(t => t.d === el.d && t.color === el.color) === index)
答案 1 :(得分:0)
const initArray = [
{ d: "2021/01/19", color: "#009988"},
{ d: "2021/01/19", color: "#CC3311"},
{ d: "2021/01/19", color: "#009988"},
{ d: "2021/01/19", color: "#009988"},
{ d: "2021/01/20", color: "#009988"},
{ d: "2021/01/22", color: "#009988"}
];
const result = [];
initArray.forEach((itm) => {
if (!(result.some(item => item.d === itm.d && item.color === itm.color))) {
result.push(itm)
}
});
答案 2 :(得分:0)
const input=[{d:"2021/01/19",color:"#009988"},{d:"2021/01/19",color:"#CC3311"},{d:"2021/01/19",color:"#009988"},{d:"2021/01/19",color:"#009988"},{d:"2021/01/20",color:"#009988"},{d:"2021/01/22",color:"#009988"}];
const res = input.filter((e,i,a) =>
a.findIndex(x => x.d === e.d && x.color === e.color) === i
)
console.log(res)
.as-console-wrapper { max-height: 100% !important; top: 0; } /* ignore this */