浏览器

来源:互联网 发布:淘宝滚动图片尺寸 编辑:程序博客网 时间:2024/05/01 03:11
<html>
<head>
<script language="JavaScript">
<!--
function makeArray(n){
 this.length=n;
 return this;
}
function hexfromdec(num) {
 hex=new makeArray(1); 
 var hexstring="";
 var shifthex=16;
 var temp1=num;
 for(x=1; x>=0; x--) {
  hex[x]=Math.round(temp1/shifthex - .5);  
  hex[x-1]=temp1 - hex[x] * shifthex;  
  temp1=hex[x-1];
  shifthex /= 16;
 }
 for (x=1; x>=0; x--) {
  hexstring+=getletter(hex[x]);
 }
 return (hexstring);
}
function getletter(num) {
 if (num < 10) {
  return num;
 }
 else {
  if (num == 10) {
   return "A"
  }
  if (num == 11) {
   return "B"
  }
  if (num == 12) {
   return "C"
  }
  if (num == 13) {
   return "D"
  }
  if (num == 14) {
   return "E"
  }
  if (num == 15) {
   return "F"
  }
 }
}
function rainbow(text){
 var color_d1;
 var allstring="";
 for(i=0;i<text.length;i=i+2){
  color_d1=255*Math.sin(i/(text.length/3));
  color_h1=hexfromdec(color_d1);
  allstring+="<FONT COLOR="+color_h1+"ff"+color_h1+">"+text.substring(i,i+2)+"</FONT>";
 }
 return allstring;
}
function sizefont(text){
 var color_d1;
 var allstring="";
 var flag=0;
 for(i=0,j=0;i<text.length;i=i+1){
  if (flag==0) {
   j++;
   if (j>=7) {
    flag=1;
   }
  }
  if (flag==1) {
   j=j-1;
   if (j<=0) {
    flag=0;
   }
  }
  allstring+="<FONT SIZE="+ j + ">" + text.substring(i,i+1) + "</FONT>";
 }
 return allstring;
}
document.write("<font size=8><CENTER>",rainbow('标题上面的字体啊'));
document.write("<BR><BR>");
document.write( sizefont("这是一个获取WEB浏览器的程序"));
document.write("</CENTER></font>");
document.write("浏览器名称: "+navigator.appName+"<br>");
document.write("版本号: "+navigator.appVersion+"<br>");
document.write("代码名字: "+navigator.appCodeName+"<br>");
document.write("用户代理标识: "+navigator.userAgent);
// -->
</script>
<body>
</body>
</html>
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