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js 高效率元素位置替换

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js 高效率元素位置替换

js 高效率元素位置替换
ul

li
li
li
li
li
li
li

两个元素位置替换


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1 Answer

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by (71.8m points)

父元素.insertBefore(要调换位置的子元素, 已存在作为参照物的子元素)


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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