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交作业

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helloiac

#1 Created at ... [Delete] [Delete and Lock User]
var lis = document.querySelectorAll("#test-list li");
var left = lis.length;

for (var i=0;i<left;i++) {
  var li = lis[i];
  if (["HTML", "CSS", "JAVASCRIPT"].indexOf(li.innerText.toUpperCase()) === -1) {
    li.parentElement.removeChild(li);
  }
}

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