一个实现字体大中小方法的JavaScript代码

时间:2020-05-13 人气:0

<!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> 
<title>实现字体大中小的另一种方法</title> 
<style type="text/css"> 
 
</style> 
<SCRIPT type=text/javascript> 
function $(xixi) { 
return document.getElementById(xixi); 
} 
//转换字号 
function doZoom(size){ 
if(size==12){ 
$("contentText").style.fontSize = size + "px"; 
$("fs12").style.display = ""; 
$("fs14").style.display = "none"; 
$("fs16").style.display = "none"; 
} 
if(size==14){ 
$("contentText").style.fontSize = size + "px"; 
$("fs12").style.display = "none"; 
$("fs14").style.display = ""; 
$("fs16").style.display = "none"; 
} 
if(size==16){ 
$("contentText").style.fontSize = size + "px"; 
$("fs12").style.display = "none"; 
$("fs14").style.display = "none"; 
$("fs16").style.display = ""; 
} 
} 
</SCRIPT> 
</head> 
<body> 
<DIV class=fontSize id=fs12 style="DISPLAY: none"><A 
href="javascript:doZoom(16)">大</A> <A 
href="javascript:doZoom(14)">中</A> <SPAN>小</SPAN></DIV> 
<DIV class=fontSize id=fs14><A 
href="javascript:doZoom(16)">大</A> <SPAN>中</SPAN> <A 
href="javascript:doZoom(12)">小</A></DIV> 
<DIV class=fontSize id=fs16 style="DISPLAY: none"><SPAN>大</SPAN> <A 
href="javascript:doZoom(14)">中</A> <A 
href="javascript:doZoom(12)">小</A></DIV>

<DIV id=contentText>我是你的玫瑰花</DIV> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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