不熟悉js

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#1 Created at ... [Delete] [Delete and Lock User]

var list = document.getElementById('test-list')

var arr = ['JavaScript', 'HTML', 'CSS']

Array.from(list.children).forEach((v) => {

arr.includes(v.innerText) ? v : list.removeChild(v)

})

#2 Created at ... [Delete] [Delete and Lock User]

不好，是大佬 <*_*>

#3 Created at ... [Delete] [Delete and Lock User]

无形装逼，最为致命

#4 Created at ... [Delete] [Delete and Lock User]

但是这个要遍历三次数组，楼上那个只遍历了一次。