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 if (document.all)
{
yourLogo = "»¶Ó­½øÈëÏÊ»¨¹¤·»Íø£¡";           <!--´ýÐýתµÄÎÄ×Ö-->
logoFont = "Arial";                                          <!--ÎÄ×ÖµÄ×ÖÌå-->
logoColor = "blue";                                        <!--ÎÄ×ÖµÄÑÕÉ«-->
yourLogo = yourLogo.split('');             <!--½«ÐýתµÄ×Ö·û´®·Ö³Éµ¥¸öµÄ×Ö·û-->
L = yourLogo.length;                        <!--»ñµÃ×Ö·û´®µÄ³¤¶È-->
TrigSplit = 360 / L;                        <!--ÉèÖÃÿ´ÎÐýתµÄ½Ç¶È-->
Sz = new Array()                             <!--ÉùÃ÷Ò»¸öÊý×é-->
logoWidth = 100;                             <!--¶¨Òå¿í¶È-->
logoHeight = -30;                            <!--¶¨Òå¸ß¶È-->
ypos = 0;
xpos = 0;
step = 0.03;                


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var a = "hello";
var b = ",world";
var c = a.concat(b);
alert(c);
//c = "hello,world"
indexOf
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var index1 = a.indexOf("l");
//index1 ......

ie firefox javascript

 1.document.formName.item("itemName") ÎÊÌâ
˵Ã÷:IEÏÂ,¿ÉÒÔʹÓÃdocument.formName.item("itemName")»ò document.formName.elements["elementName"];FirefoxÏÂ,Ö»ÄÜʹÓà document.formName.elements["elementName"].
½â¾ö·½·¨:ͳһʹÓÃdocument.formName.elements["elementName"].
2.¼¯ºÏÀà¶ÔÏóÎÊÌâ
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alert(parseInt("101101", 2))

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function toBin(intNum) {
var answer = "";
if(/\d+/.test(intNum)) {
while(intNum != 0) {
answer = Math.abs(intNum%2)+answer;
intNum = parseInt(intNum/2);
}
......

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function GetCookieVal(offset)
//»ñµÃCookie½âÂëºóµÄÖµ
{
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}
function SetCookie(name, v ......
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