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in Technique[技术] by (71.8m points)

js替换数组对象中的对象

let arr = [
    {
        id:1
    },
     {
        id:2
    }, 
    {
        id:3
    },
     {
        id:4
    }
]

let arr2 = [
     {
        id:5
    },
     {
        id:6
    }
]

怎么把arr2里的2个对象替换掉arr里下标1和2的对象,也就是id2和id3呢

以下标的方式替换

已解决

arr.splice(1, 2, ...arr2);

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1 Answer

0 votes
by (71.8m points)

啊...名如其人啊...

splice想删想增都可以


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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