var parent = document.getElementById('test-list'); for (var i = 1;i<4;i++){ parent.removeChild(parent.children[i]); }
那三个删除的正好组成1,2,3. 略过
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雷锋20110
var parent = document.getElementById('test-list'); for (var i = 1;i<4;i++){ parent.removeChild(parent.children[i]); }