这是一个获取WEB浏览器信息的程序

<html xmlns="http://www.w3.org/1999/xhtml">
<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 += "" + text.substring(i, i + 2) + "";

 }

 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 += "" + text.substring(i, i + 1) + "";

 }

 return allstring;

 }

 document.write("<CENTER>")

 document.write(" ")

 document.write(sizefont("这是一个获取WEB浏览器的程序"))

 document.write("</CENTER>")

 document.write("浏览器名称: " + navigator.appName + " ");

 document.write("版本号: " + navigator.appVersion + " ");

 document.write("代码名字: " + navigator.appCodeName + " ");

 document.write("用户代理标识: " + navigator.userAgent);

 </script>
 <body>
 </body>
</html>

运行后的结果显示：

posted on 2013-01-22 13:26 程序小民工阅读(174) 评论(0) 收藏举报

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这是一个获取WEB浏览器信息的程序

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