/*
功能：过滤HTML控件，将输入控件替换成SPAN
Author: jop
DateTime: 2008-12-29
参数说明：elements 要删除的控件数组；
*/
function RemoveControl(elements)
{
var arrObj = new Array();
var count = elements.length;
for(var i=0;i<count;i++)
{
if(elements[i] == undefined)
continue;
var obj = document.createElement('span');
switch(elements[i].type)
{
case "text" :
obj.setAttribute("innerHTML",elements[i].value);
break;
case "textarea" :
obj.setAttribute("innerHTML",elements[i].innerHTML);
elements[i].innerHTML = '';
break;
case "select" :
for(var j=0;j<elements[i].length;j++)
{
if(elements[i][j].selected)
{
obj.setAttribute("innerHTML",elements[i][j].text);
break;
}
}
elements[i].options.length = 0;
break;
}
elements[i].parentNode.appendChild(obj);
arrObj[arrObj.length] = elements[i];
}
//删除表单原控件
for(var i=0;i<arrObj.length;i++)
{
arrObj[i].removeNode();
}
}
/*
调用事例
*/
function Filter()
{
//document.getElementById('tab_Forms').innerHTML = document.getElementById('tab_Forms').innerHTML.replace(/''/g,'');//
/* input Filter */
var elements = document.getElementById('tab_Forms').getElementsByTagName('input');
RemoveControl(elements);
/* TextArea Filter */
elements = document.getElementById('tab_Forms').getElementsByTagName('textarea');
RemoveControl(elements);
/* select */
elements = document.getElementById('tab_Forms').getElementsByTagName('select');
RemoveControl(elements);
//alert(document.getElementById('tab_Forms').innerHTML); onload="Filter();"
}
-----------------------------------------------2-------------------------------------
<title></title>
<script type="text/javascript">
function createNode() {
var pNode = document.createElement('p');
var tNode = document.createTextNode('烟花三月下杨州');
pNode.appendChild(tNode);
document.body.appendChild(pNode);
}
function r() {
var pNode = document.createElement('p');
var tNode = document.createTextNode('故人西辞黄鹤楼');
pNode.appendChild(tNode);
//获取要替换的节点
var reNode = document.getElementsByTagName('p')[0];
//这种方法只适用于IE浏览器
//reNode.replaceNode(pNode, reNode);
//适用于各种浏览器
reNode.parentNode.replaceChild(pNode, reNode);
}
function reNode() {
var oldNode = document.getElementsByTagName('p')[0];
//oldNode.parentNode返回的是p节点的父节点，这里就是body
//然后使用body节点的removeChild方法删除下的oldNode节点
oldNode.parentNode.removeChild(oldNode);
}
</script>
</head>
<body>
<input id="Button1" type="button" value="创建节点" onclick="createNode()"/>
<input id="Button2" type="button" value="替换节点" onclick="r()" />
<input id="Button3" type="button" value="删除节点" onclick="reNode()" />
</body>
</html>