如下:
let all = [
{a: 11, b: 88},
{a: 3, b: 77},
{a: 6, b: 55},
];
let f = [
{a: 3},
{a: 6},
];
let newA = all.filter(item => {
//怎么实现?
})
筛选出新数组
let newA = [
{a: 3, b: 77},
{a: 6, b: 55},
];
如下:
let all = [
{a: 11, b: 88},
{a: 3, b: 77},
{a: 6, b: 55},
];
let f = [
{a: 3},
{a: 6},
];
let newA = all.filter(item => {
//怎么实现?
})
筛选出新数组
let newA = [
{a: 3, b: 77},
{a: 6, b: 55},
];
得先吧f处理一下吧
let list = f.map(item => {
return item.a
})
let newA = all.filter(item => {
return list.includes(item.a)
})
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