按钮上的文字会自动变换颜色，不断闪烁，可以有效提醒用户点击按钮
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>分享JavaScript-sharejs.com</title>
</head>
<body>
<br>
<input type="button" name="Button" value="闪烁的按钮 ShareJS.com" id=flashit>
<script language="JavaScript1.2">
if (document.all&&document.all.flashit){
var flashelement=document.all.flashit
if (flashelement.length==null)
flashelement[0]=document.all.flashit
function changecolor(which){
if (flashelement[which].style.color=='')
flashelement[which].style.color="red"
else
flashelement[which].style.color=""
}
if (flashelement.length==null)
setInterval("changecolor(0)",1000)
else
for (i=0;i<flashelement.length;i++){
var tempvariable='setInterval("changecolor('+i+')",'+'1000)'
eval(tempvariable)
}
}
</script>
<br><br>
<div align="center">
获取更多JavaScript代码，请登录JavaScript分享网 <a href="http://www.sharejs.com">http://www.sharejs.com</a>
</div>
</body>
</html>
