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Èç¹û¶ÔjavascriptÁ˽ⲻÊÇÌØ±ðÉîÈëµÄ»°,ºÜÈÝÒ׾ͻáд³ö²»¼æÈݵĴúÂë(¾ÍÏñÎÒ),Õâʱºò¾ÍµÃÅжÏä¯ÀÀÆ÷ÁË¡£±ÈÈçʼþÕìÌý¡¢Ò»Ð©Êó±êºÍ¼üÅÌʼþ¡¢RangeµÈ,һЩ¶¼»á²»Ò»Ñù.ÏÂÃæÁгö¼¸ÖÖ³£Óõļì²âä¯ÀÀÆ÷·½·¨£¬ÒÔ÷ϹÛÖÚ!
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//»ñÈ¡IEä¯ÀÀÆ÷µÄ°æ±¾ºÅ
//·µ»ØÊýÖµ£¬ÏÔʾIEµÄÖ÷°æ±¾ºÅ
function getIEVer() {
var ua = navigator.userAgent; //»ñÈ¡Óû§¶ËÐÅÏ¢
var b = ua.indexOf("MSIE "); //¼ì²âÌØÊâ×Ö·û´®"MSIE "µÄλÖÃ
if (b < 0) {
return 0;
}
return parseFloat(ua.substring(b + 5, ua.indexOf(";", b))); //½ØÈ¡°æ±¾ºÅ×Ö·û´®£¬²¢×ª»»ÎªÊýÖµ
}
alert(getIEVer()); //·µ»ØÊýÖµ8(ÎÒµÄIE8)
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user-agent×Ö·û´®¼ì²â·¨
user-agent×Ö·û´®ÌṩÁ˹ØÓÚWebä¯ÀÀÆ÷µÄ´óÁ¿ÐÅÏ¢£¬°üÀ¨ä¯ÀÀÆ÷µÄÃû³ÆºÍ°æ±¾¡£
var ua = navigator.userAgent.toLowerCase(); //»ñÈ¡Óû§¶ËÐÅÏ¢
var info = {
ie: /msie/.test(ua) && !/opera/.test(ua), //Æ¥ÅäIEä¯ÀÀÆ÷
op: /opera/.test(ua), //Æ¥ÅäOperaä¯ÀÀÆ÷
sa: /version.*safari/.test(ua), //Æ¥ÅäSafariä¯ÀÀÆ÷
ch: /chrome/.test(ua), //Æ¥ÅäChromeä¯ÀÀÆ÷
ff: /gecko/.test(ua) && !/webkit/.test(ua) //Æ¥ÅäFirefoxä¯ÀÀÆ÷
};
(info.ie) && alert("IEä¯ÀÀÆ÷");
(info.op) && alert("Operaä¯ÀÀÆ÷");
(info.sa) && alert("Safariä¯ÀÀÆ÷");
(info.ff) && alert("Firefoxä¯ÀÀÆ÷");
(info.ch) && alert("Chromeä¯ÀÀÆ÷");
ͨ³£ÎÒÃÇ×öµÃ×î¶àµÄ,¾ÍÊÇÅжÏÊÇ·ñÊÇIEÁË,ÆäËü¼¸ÖÖä¯ÀÀÆ÷Ò»°ã¶¼»á·ûºÏ±ê×¼.ÓÐЩ¿Í»§Ö»ÐèÒª·ûºÏIEºÍFF¾ÍÒѾ­Âú×ãÁË.ÄÇôÎÒÃÇ¿ÉÒÔÕâÑù×ö:
var isIE = (navigator.appName == "Microsoft Internet Explorer");
ÅжÏIEÔ¶Ô¶²»Ö¹ÉÏÃæÒ»ÖÖ·½·¨,¿ÉÒÔʹÓÃIE¸ü¶àÌØÓеĶ«Î÷,Èç:window.ActiveXObject,document.allµÈ,ÕâЩ¶¼ÊôÓÚ¶ÔÏó/ÌØÕ÷¼ì²â·¨ÁË!ͨ³£ÒªÔÚ²»Í¬µÄä¯ÀÀÆ÷ÉÏд²»Í¬µÄÑùʽ(ÒòΪIEÑùʽ½âÎöÒ²¸÷Óв»Í¬),ÄǾ͵ÃÅжϰ汾ÁË.¿ÉÒÔÕâÑù×ö
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function getI


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1. ±ê×¼µÄ·½·¨
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function openWin(src, width, height, showScroll){
window.showModalDialog (src,"","location:No;status:No;help:No;dialogWidth:"+width+";dialogHeight:"+height+";scroll:"+showScroll+";");
}
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1.Date
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constructor      Ëù½¨Á¢¶ÔÏóµÄº¯Êý²Î¿¼
prototype       Äܹ»Îª¶ÔÏó¼ÓÈëµÄÊôÐԺͷ½·¨
·½·¨(43):
getDay()        ·µ»ØÒ»ÖÜÖеĵڼ¸Ìì(0-6)
getYear()       ·µ»ØÄê·Ý.2000ÄêÒÔǰΪ2λ,2000 ......

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1ÅжÏselectÑ¡ÏîÖРÊÇ·ñ´æÔÚValue="paraValue"µÄItem 
 2ÏòselectÑ¡ÏîÖР¼ÓÈëÒ»¸öItem 
 3´ÓselectÑ¡ÏîÖРɾ³ýÒ»¸öItem 
 4ɾ³ýselectÖÐÑ¡ÖеÄÏî 
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parseFloat ת»»³É¸¡µãÊý
parseInt ת»»³ÉÕûÊý.
ÕâÁ½¸öº¯Êý¶¼ÓÐЩÈÝ´íÐÔµÄ,±ÈÈç"123abc"»á±ä³É123.
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²»¹ýÒ²¿ÉÒÔʹÓÃÕâÑùµÄ·½·¨:
var a = "234" ;
a = a.replace(/(^[\\s]*)|([\\s]*$)/g, "");
if( a !="" && !isNaN( a ) )
{//Èç¹ûÊÇÊý×Ö
a = e ......

javascriptµÄwindows.open²ÎÊýѧϰ


<SCRIPT LANGUAGE="javascript">
<!--
window.open ('page.html', 'newwindow', 'height=100, width=400, top=0,left=0, toolbar=no, menubar=no, scrollbars=no, resizable=no,location=no, status=no')
file://д/³ÉÒ»ÐÐ
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</SCRIPT>
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