删除节点
删除节点的步骤:先获取父节点,再通过父节点删除自己
<div id="father">
<h1>标题一</h1>
<p id="p1">p1</p>
<p class="p2">p2</p>
</div>
<script>
var self = document.getElementById('p1');
var father = p1.parentElement;
father.removechild(self)
// 删除是一个动态的过程:
father.removeChild(father.children[0])
father.removeChild(father.children[1])
father.removeChild(father.children[2])
</script>
注意:删除多个节点的时候,children是在时刻变化的,删除节点的时候一定要注意!