怎么打到对象数组的下标

Question

Answer 1

找到数组中和id一致的数组想下标？用findIndex，数据项用find

<script>
    let list = [{
        id: 1,
        name: 'zs'
    }, {
        id: 99,
        name: 'ls'
    }, {
        id: 89,
        name: 'ww'
        }];
    let id = 89;
    var index = list.findIndex(i => i.id == id);
    console.log(index)//2
    var index = list.find(i => i.id == id);
    console.log(index)//{id: 89,name: 'ww' }
</script>

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