<html>
<head>
<style>
.css1{background-color:ff0000;color:ff9966;border:1;cursor:hand;}
.css2{background-color:00ff00;color:ffffff;border:1;cursor:hand;}
</style>
<script type="text/javascript">
function changeneirong()
{
var spanv = document.getElementsByTagName("span");
spanv[2].innerHTML = "我由常军魁变为了span";
}
function changediv()
{
document.getElementsByTagName("div")[0].innerHTML = "我由常军魁变成了div";
}
function changep()
{
document.getElementsByTagName("p")[0].innerHTML = "我由常军魁变成了p标签";
}
function change()
{
var spanvar = document.getElementsByTagName("span");
alert(spanvar[0].innerHTML);
document.getElementsByTagName("span")[0].className = "css2";
}
function fillDivWithInnerHTML() {
var username = document.getElementById("username").value;
var textDiv = document.getElementById("textDiv");
textDiv.innerHTML=username;
}
function fillDivWithTextNode() {
var textDiv = document.getElementById("textDiv");
//首先删除所有已新建的Text Node节点
while(textDiv.hasChildNodes()) {
textDiv.removeChild(textDiv.childNodes[0]);
}
var textNode = document.createTextNode(document.getElementById("username").value);
textDiv.appendChild(textNode);
}
function fillSpanWithInnerHTML() {
var username = document.getElementById("username").value;
var textSpan = document.getElementById("textSpan");
textSpan.innerHTML=username;
}
function fillSpanWithTextNode() {
var textSpan = document.getElementById("textSpan");
//首先删除所有已新建的Text Node节点
while(textSpan.hasChildNodes()) {
textSpan.removeChild(textSpan.childNodes[0]);
}
var textNode = document.createTextNode(document.getElementById("username").value);
textSpan.appendChild(textNode);
}
</script>
</head>
<body>
<span class="css1" onclick="change()">常军魁</span>
<span class="css1" onclick="javascript:this.className='css2'">这是一段文字
</span>
<br />
<span onclick="changeneirong()" style="corsur:hand;">常军魁</span>
<br />
<div onclick="changediv()">常军魁</div>
<p onclick="changep()">常军魁</p>
<input type="text" id="username" name="username"/><br/>
<input type="button" id="fillDivWithInnerHTML" value="fillDivWithInnerHTML" onclick="fillDivWithInnerHTML()"/>
<br/>
<input type="button" id="fillDivWithTextNode" value="fillDivWithTextNode" onclick="fillDivWithTextNode()"/>
<br/>
<input type="button" id="fillSpanWithInnerHTML" value="fillSpanWithInnerHTML" onclick="fillSpanWithInnerHTML()"/>
<br/>
<input type="button" id="fillSpanWithTextNode" value="fillSpanWithTextNode" onclick="fillSpanWithTextNode()"/>
<span id="textSpan"></span><br/>
<div id="textDiv"></div>
</body>
</html>
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