两个数组筛选出相同项
let arr1= [{id:1,name:‘aaa’},{id:2,name:‘bbb’},{id:3,name:‘ccc’}];
let arr2 = [{id:2,name:‘aaa’}];
let arr = arr1.filter(item=>arr2.some(ele=>ele.id === item.id));
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let arr1= [{id:1,name:‘aaa’},{id:2,name:‘bbb’},{id:3,name:‘ccc’}];
let arr2 = [{id:2,name:‘aaa’}];
let arr = arr1.filter(item=>arr2.some(ele=>ele.id === item.id));