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看看我的答案

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渡口风沙

#1 Created at ... [Delete] [Delete and Lock User]
var list=document.getElementById("test-list");
var langList=list.children;
var langArr=[];
for(let i=0;i<langList.length;i++){
  langArr.push(langList[i].innerHTML);
}
langArr=langArr.sort().map(function(item){
  return "<li class='lang'>"+item+"</li>";
});
list.innerHTML=langArr.join("\n")

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