波动起伏的文字特效

人气：　来源：本站原创　作者：佚名　所属栏目：文字类　[切换到繁體中文]

介绍：波浪起伏的文字效果，动感十足。

演示：

<!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>站长手册_特效演示_波动起伏的文字特效</title>
<style><!--body,td{font-size: 12px;}--></style>

</head>
<body bgcolor="" onload=doWave(0);>
<table width="100%" height="1000" border="0" cellpadding="10" cellspacing="5">
<tr>
<td valign="top">
<script language="JavaScript">

function nextSize(i,incMethod,textLength)
{
if (incMethod == 1) return (72*Math.abs( Math.sin(i/(textLength/3.14))) );
if (incMethod == 2) return (255*Math.abs( Math.cos(i/(textLength/3.14))));
}

function sizeCycle(text,method,dis)
{
	output = "";
	for (i = 0; i < text.length; i++)
	{
		size = parseInt(nextSize(i +dis,method,text.length));
		output += "<font style='font-size: "+ size +"pt'>" +text.substring(i,i+1)+ "</font>";
	}
	theDiv.innerHTML = output;
}

function doWave(n) 
{   
	theText = "JavaScript";
	sizeCycle(theText,1,n);
	if (n > theText.length) {n=0}
	setTimeout("doWave(" + (n+1) + ")", 50);
}
</script>
<div ID="theDiv" align="center">

</div>
</td>
</tr>
</table>
</body>
</html>

[Ctrl+A全选提示：你可先修改部分代码，再按运行]

下面教你如何应用此特效：
　--------------------------------------------------------------------------------------
　　需要在<body 这里>加入的代码：onload=doWave(0);
　--------------------------------------------------------------------------------------

以下代码加到<head>…</head>中

以下代码加到<body>…</body>中

function nextSize(i,incMethod,textLength)
{
if (incMethod == 1) return (72*Math.abs( Math.sin(i/(textLength/3.14))) );
if (incMethod == 2) return (255*Math.abs( Math.cos(i/(textLength/3.14))));
}

function sizeCycle(text,method,dis)
{
output = "";
for (i = 0; i < text.length; i++)
{
size = parseInt(nextSize(i +dis,method,text.length));
output += "<font style='font-size: "+ size +"pt'>" +text.substring(i,i+1)+ "</font>";
}
theDiv.innerHTML = output;
}

function doWave(n)
{
theText = "JavaScript";
sizeCycle(theText,1,n);
if (n > theText.length) {n=0}
setTimeout("doWave(" + (n+1) + ")", 50);
}
</script>
<div ID="theDiv" align="center">

</div>