删除空节点
2 回答
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>
<body>
<div id="con">
<p>javascript</p>
<div>jQuery</div>
<h5>PHP</h5>
</div>
<script type="text/javascript">
var x=document.getElementById("con");
var x1=x.childNodes;
for(var i=0;i<x1.length;i++){
if((x1[i].nodeType=="3")&&(x1[i].nodeValue="#text")){
x.removeChild(x1[i]);
}
}
// var y=x.childNodes.firstChild;
document.write(x.firstChild.nodeName+"<br/>");
document.write(x.lastChild.nodeName);
</script>
</body>
</html>是不是需要添加一个判断(x1[i].nodeValue="#text")
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>
<body>
<div id="con">
<p>javascript</p>
<div>jQuery</div>
<h5>PHP</h5>
</div>
<script type="text/javascript">
var getChildNodes_All=function (node_name){
var child_node=node_name.childNodes;
for(var i=0;i<child_node.length;i++){
if(child_node[i].nodeType=="3")node_name.removeChild(child_node[i]);
}
}
var x=document.getElementById('con');
getChildNodes_All(x)
// var y=x.childNodes.firstChild;
document.write(x.firstChild.nodeName+"<br/>");
document.write(x.lastChild.nodeName);
</script>
</body>
</html>举报
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