Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Firefox ×îРJavaScript ÒýÇæ³õ̽

×Ô´Ó Google ÍÆ³öº¬ V8 JavaScript ÒýÇæµÄ Chrome ÒÔÀ´£¬¹«ÖÚ¶Ô JavaScript
ÒýÇæÖ´ÐÐЧÂʵÄθ¿ÚÓÖÒ»´Î±»Ìá¸ß£¬ÖÚ¶àä¯ÀÀÆ÷µÄ¿ª·¢ÕßÃǽʾ¡ÄÔÖ­ÌáÉýËûÃÇµÄ JavaScript ÐÔÄÜ£¬Opera ×îеÄ10.50 °æµÄ Carakan

ÒýÇæ¾Ý³ÆÒѾ­³¬¹ý V8£¬¶ø Firefox µÄ¿ª·¢ÕßÃÇÒ²²»¸ÊʾÈõ¡£
×î½üÉý¼¶µ½ Firefox 3.6 µÄÓû§ÒѾ­·¢ÏÖËûÃÇµÄ JavaScript ËÙ¶ÈÓÐÁ˷dz£Ã÷ÏԵĸÄÉÆ£¬ËäÈ»Firefox µÄ
TraceMonkey ÒýÇæºÍ Googel V8 ±ÈÈÔÓвî¾à£¬²»¹ý£¬Õâ¸ö×´¿ö¼´½«¸Ä±ä£¬Mozilla ÍŶÓÕýÔÚ¿ª·¢Ò»¸öеÄ
JavaScript ÒýÇæ£¬JägerMonkey£¬ÆÚ´ý½« Firefox µÄ JavaScript ÐÔÄÜÌáÉýµ½Ò»¸öеÄˮƽ¡£
µ±Ç°£¬Firefox TraceMonkey ÒýÇæÖ®ËùÒÔÐÔÄܲ»¼ÑµÄÒ»¸öÔ­ÒòÊÇ£¬ËüµÄ×·×Ù£¨trace£©Ëã·¨ÈÔ´æÔÚÎÊÌ⣬Trace
ÊÇÒ»ÖÖ¿ÉÒÔ½« JavaScript
ÖеÄÑ­»·Óï¾ä½øÐпìËÙ±àÒëÖ´ÐеÄËã·¨£¬µ«Õâ¸öËã·¨ÔÚÓöµ½¸´Ôӵģ¬Ç¶Ì׵ģ¬ÓÈÆäÊǵݹéµÄÑ­»·Óï¾äʱ£¬²¢²»ÄÜÕýÈ·Ö´ÐУ¨Ïê¼ûÕâÆªÎÄÕÂ
£©£¬Firefox
Òò´Ë»áÍ˻ؽâÊÍÖ´Ðз½Ê½£¬¶ø½âÊÍÖ´ÐеÄЧÂÊÊǺܵ͵ġ£
Mozilla ÍŶÓÕýÔÚ½â¾öÕâÒ»ÎÊÌ⣬Ð嵀 JägerMonkey ÒýÇæÔÚ²âÊÔÖÐÒѾ­ÏÔ¶³ö·Ç³£»ý¼«µÄ½á¹û£¬×îÖÕµÄÐÔÄÜÌá¸ß¿ÉÄܸߴï 30% ¡«
40%¡£Mozilla
µÄ Dave Mandelin ¶Ô´Ë±íʾÀÖ¹Û
£¬Ëû˵£¬JägerMonkey ÔÚÖ´ÐÐÖ´ÐÐÈ«²¿ SunSpider ½Å±¾µÄʱºò£¬Jäger
ģʽ±È½âÊÍģʽ¿ìÁË18%£¬Õ⻹²»ËãÆäËü·½ÃæµÄÓÅ»¯Óë¸Ä½ø£¬ËûÃÇÔÚÐÂÒýÇæÖÐËù×÷µÄ¸Ä½ø°üÀ¨ºÜ¶à·½Ãæ¡£
Èç¹ûÄã¶Ô´Ë¸ÐÐËȤ£¬Mandelin
µÄ²©¿ÍÎÄÕÂ
ºÜÖµµÃÒ»¶Á¡£¼òµ¥Ëµ£¬ÆðÓÃÁË JägerMonkey ÒýÇæµÄ Firefox ½«¸ü¼ÓÒýÈËעĿ¡£¹ØÓÚ Firefox
µÄ×îа汾µÄÏà¹ØÎļþ£¬Äã¿ÉÒÔµ½Õâ¸öµØÖ·»ñÈ¡£ºhttp://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/
¡£
±¾ÎÄÀ´Ô´£ºhttp://www.downloadsquad.com/2010/02/27/early-work-on-mozilla-firefox-new-javascript-engine-nets-big-speed-gai/
ÖÐ
ÎÄ·­ÒëÀ´Ô´£ºÈñÉÌÆóÒµCMS
ÍøÕ¾ÄÚÈݹÜÀíϵͳ
¹Ù·½Õ¾


Ïà¹ØÎĵµ£º

javascript:history.go()ºÍHistory.back()µÄÇø±ðÊÕ²Ø

<input   type=button   value=ˢР  onclick="window.location.reload()">  
  <input   type=button   value=ǰ½ø   onclick="window.history.go(1)">  
  <input   type=button   value=ºóÍË   onclick="window.history.go(-1)"> ......

JavaScript ʼþ·½·¨

JavaScript ʼþ·½·¨
http://www.webdeveloping.cn/blog/?action=show&id=207
ʼþÔ´¶ÔÏó
event.srcElement.tagName
event.srcElement.type
²¶»ñÊÍ·Å
event.srcElement.setCapture();
event.srcElement.releaseCapture();
ʼþ°´¼ü
event.keyCode
event.shiftKey
event.altKey
event.ctrlKey
ʼþ·µ»ØÖµ
......

JavaScript Cookie µÄÕýÈ·Ó÷¨

function getCookies(name)
{
var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return '';
}
function setCookie(name, value, expires, path, domain, secure)
{
var liveDate = new Date();
expires = l ......

JavaScriptµ÷ÊÔ¼¼ÇÉÖ®£º¶Ïµãµ÷ÊÔ(1)


Èç¹ûÄú»¹Ã»ÓÐÔĶÁ¡¶JavaScriptµ÷ÊÔ¼¼ÇÉÖ®£º¿ìËÙ¶¨Î»¡·£¬½¨ÒéÏÈ¿´¿´ÄÇÆª¡£Ëµ²»¶¨£¬ÓÿìËÙ¶¨Î»¾ÍÄܽâ¾öÎÊÌâÁË£¬ºÇºÇ¡£Õâ´ÎÎÒ»á×ܽá¼Ç¼һ϶ϵãµ÷ÊԵıʼǣ¬Ï£ÍûÒ²¶Ô´ó¼ÒÓÐÓ㬻¶Ó­²¹³ä½»Á÷£¡
Ê×ÏÈ£¬ÔÚ¸÷¸öä¯ÀÀÆ÷ÖУ¬¶Ïµãµ÷ÊÔÖ§³ÖµÄ×îºÃµÄµ±È»ÊÇFirefox£¬Firefox²»½ö¿ÉÒÔʹÓÃFirebugµ÷ÊÔÒ³Ãæjs½Å±¾£¬»¹¿ÉÒÔÓø߼¶µ÷ÊÔ¹¤¾ßÀ ......

JavaScript»ñÈ¡µ±Ç°Îļþȫ·¾¶¡¢µ±Ç°Ä¿Â¼¡¢µ±Ç°ÎļþÃû

//»ñÈ¡µ±Ç°Îļþȫ·¾¶
<script language="javascript"> 
alert(window.location.href); 
alert(window.location); 
alert(location.href); 
alert(parent.location.href); 
alert(top.location.href); 
alert(document.location.href); 
alert(document.URL);
</scri ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ