我这个最短....

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

var    list = document.getElementById("test-list");for (let i = 0; i < 3 ; i++) {    list.removeChild(list.children[i+1]);}

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

如果你能用心一点，把空格删掉，会比现在更短！