var parent=document.getElementById('test-list'), j=0, child, web=['JavaScript', 'HTML', 'CSS']; for(let i=0;i<parent.children.length;i++){ child=parent.children[j]; if(web.indexOf(child.innerText)==-1){ parent.removeChild(child); continue; } j++; }
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我是--只小小鸟
var parent=document.getElementById('test-list'), j=0, child, web=['JavaScript', 'HTML', 'CSS']; for(let i=0;i<parent.children.length;i++){
child=parent.children[j]; if(web.indexOf(child.innerText)==-1){ parent.removeChild(child); continue; } j++; }