<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>Untitled</TITLE>
<script language="Javascript">
<!--
function randombackground(){
document.all.s1.style.backgroundColor="green";
}
// -->
</script>
</HEAD><BODY>
<SPAN id="s1" style="background-color:red">变色啦</SPAN>
<FORM>
<input type="button" value="点击" onClick="randombackground()">
</form>
</BODY>
</HTML>
"http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>Untitled</TITLE>
<script language="Javascript">
<!--
function randombackground(){
document.all.s1.style.backgroundColor="green";
}
// -->
</script>
</HEAD><BODY>
<SPAN id="s1" style="background-color:red">变色啦</SPAN>
<FORM>
<input type="button" value="点击" onClick="randombackground()">
</form>
</BODY>
</HTML>
解决方案 »
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