var i,j; var list = document.getElementById('test-list'); var length = list.children.length; var wed = ['JavaScript', 'HTML', 'CSS'];
for(i = length-1; i >= 0; i--){ var text = list.children[i].innerText; if(text!=wed[0] && text!=wed[1] && text!=wed[2]){ list.removeChild(list.children[i]); } }
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jiangqr
var i,j; var list = document.getElementById('test-list'); var length = list.children.length; var wed = ['JavaScript', 'HTML', 'CSS'];
for(i = length-1; i >= 0; i--){ var text = list.children[i].innerText; if(text!=wed[0] && text!=wed[1] && text!=wed[2]){ list.removeChild(list.children[i]); } }