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in Technique[技术] by (71.8m points)

js 元素移动

var 需要交换位置的元素集合=[

{
    移动源: id1,
    移动目标: id4
},
{
    移动源: id2,
    移动目标: id8
}

]

前台展示结构

ul
    li
    li
    li
    li
    li

假设有一堆这样的数据,给出了需要交换位置的元素所处的位置,应该怎么交换,效率比较高。


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1 Answer

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by (71.8m points)
var swapItems = function(arr, index1, index2) {
        arr[index1] = arr.splice(index2, 1, arr[index1])[0];
        return arr;
    };

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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