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断桥-过后

#1 Created at ... [Delete] [Delete and Lock User] 
var webList=['javascript','html','css'],
    listBox=document.getElementById("test-list"),
    item;

for(let i=0;i<listBox.children.length;i++){
    item=listBox.children[i].innerText.toLowerCase();
    if(webList.indexOf(item)==-1){
        listBox.removeChild(listBox.children[i]);
    }
}
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