减小字体 增大字体
] 源码如下<br>----------------------------------------------------------<br><html><br><br><head><br><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><br><meta name="GENERATOR" content="Microsoft FrontPage 4.0"><br><meta name="ProgId" content="FrontPage.Editor.Document"><br><title>字体变化效果－www.51<a target="_blank" href="http://www.newasp.cn/" class="wordstyle">windows</a>.Net</title><br></head><br><br><body><br><br><script language="JavaScript"><br><!-- Begin<br>var speed = 20;<br>var cycledelay = 1000;<br>var maxsize = 48;<br><br>var x = 0;<br>var y = 0;<br>var themessage, size;<br>var esize = "";<br><br>function initArray() {<br>this.length = initArray.arguments.length;<br>for (var i = 0; i < this.length; i++) {<br>this[i] = initArray.arguments[i];<br> }<br>}<br>var themessage2 = new initArray(<br>"信息一",<br>"信息二",<br>"信息三",<br>"信息四 "<br>); <br>if(navigator.appName == "Netscape")<br>document.write('<layer id="wds"></layer><br>');<br>if (navigator.appVersion.indexOf("MSIE") != -1)<br>document.write('<span id="wds"></span><br>');<br>function upwords(){<br>themessage = themessage2[y];<br>if (x < maxsize) {<br>x++;<br>setTimeout("upwords()",speed);<br>}<br>else setTimeout("downwords()",cycledelay);<br><br>if(navigator.appName == "Netscape") {<br>size = "<font point-size='"+x+"pt'>";<br>document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);<br>document.wds.document.close();<br>}<br>if (navigator.appVersion.indexOf("MSIE") != -1){<br>wds.innerHTML = "<center>"+themessage+"</center>";<br>wds.style.fontSize=x+'px'<br> }<br>}<br>function downwords(){<br>if (x > 1) {<br>x--;<br>setTimeout("downwords()",speed);<br>}<br>else {<br>setTimeout("upwords()",cycledelay);<br>y++;<br>if (y > themessage2.length - 1) y = 0;<br>}<br>if(navigator.appName == "Netscape") {<br>size = "<font point-size='"+x+"pt'>";<br>document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);<br>document.wds.document.close();<br>}<br>if (navigator.appVersion.indexOf("MSIE") != -1){<br>wds.innerHTML = "<center>"+themessage+"</center>";<br>wds.style.fontSize=x+'px'<br> }<br>}<br>setTimeout("upwords()",speed);<br>// End --><br></script><br><br></body><br><br></html> <br>
[提示：你可先按照下面代码提示修改 上面部分代码，再按运行，此处看到的演示不完全正确]
减小字体
增大字体
