字符的背景特效

- 中国WEB开发者网络 (http://www.webasp.net)
-- 网页特效 (http://www.webasp.net/javascript/)
--- 字符的背景特效 (http://www.webasp.net/javascript/1/388.htm)
-- 发布日期： 2005-06-07
<!-- 网页特效代码由[中国WEB开发者网络:http://www.ChinaWebDev.com]提供！ -->
<!-- 要实现此效果需要 1 个步骤： -->

<!-- 第 1 步： -->
<!-- 把下面的代码加到<BODY></BODY>区域中： -->

<span id="theText" style="width:100%">
<h2 align="center"><font color="#ffffff">Welcome To You!!</font></h2>
</span><script>
var from = 5;
var to = 50;
var delay = 5;
var glowColor = "lime";
var i = to;
var j = 0;
textPulseDown();

function textPulseUp()
{
if (!document.all)
return
if (i < to)
{
theText.style.filter = "Glow(Color=" + glowColor + ", Strength=" + i + ")";
i++;
theTimeout = setTimeout('textPulseUp()',delay);
return 0;
}

if (i = to)
{
theTimeout = setTimeout('textPulseDown()',delay);
return 0;
}


}

function textPulseDown()
{
if (!document.all)
return
if (i > from)
{
theText.style.filter = "Glow(Color=" + glowColor + ", Strength=" + i + ")";
i--;
theTimeout = setTimeout('textPulseDown()',delay);
return 0;
}

if (i = from)
{
theTimeout = setTimeout('textPulseUp()',delay);
return 0;
}
}
</script>


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