yangchengguo的博客

const list = [{‘name’:‘1’,index:1},{‘name’:‘2’},{‘name’:‘1’}] let list2 = list.find(i=>i.name===‘1’) let list3 = list.filter(i=>i.name===‘1’) console.log(list); [ { name: ‘1’, index: 1 }, { name: ‘2’ }, { name: ‘1’ } ] console.log(list2); { name: ‘1’