在此插入代码

// TODO var list = document.getElementById('test-list'); var arr = []; for(var i = 0 ; i < list.children.length; i ++){ if(list.children[i].innerText != 'JavaScript' && list.children[i].innerText != 'HTML' && list.children[i].innerText != 'CSS') arr.push(list.children[i]); } for(var i = 0 ; i < arr.length ; i ++){ list.removeChild(arr[i]); }


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