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

javascriptʼþ from PPK yahooÑݽ²

×ªÔØ×Ô£ºhttp://www.zipeng.info/archives/ppk-on-js-events.html
½ñÌìÎÒ»á˵һЩ¹ØÓÚJavaScriptʼþµÄÊÂÇ飬ÎÒºÜÏ£Íû×Ô¼ºÄÜÆô·¢´ó¼ÒһЩʲô£¬²»¹ý´ó»ï¶¼ÊǸßÊÖ£¬²»¹ÜÔõô£¬ÎÒ»¹ÊÇҪ˵˵
JavaScriptʼþ¡£
´óÔ¼Ò»ÄêǰÎÒ´òËã¶ÔJavaScriptµÄʼþ×öһЩÉîÈëµÄÑо¿£¬²¢ÇÒÎÒ×öÁËÒ»ÕżæÈÝÐÔµÄ±í£¬´ó¼Ò¿ÉÒÔͨ¹ýÏÂÃæÕâÀïÀ´
·ÃÎÊ
http://quirksmode.org/dom/events
ÄÇ
ô½ñÌìÎÒ»áºÍ´ó¼Ò̸ÂÛ4¼þÊÂÇ飺
Ê×ÏÈ
»áÊÇkeyʼþ£¨°´¼üʼþ£©£¬ÒòΪÔÚÕâÀï´æÔںܶàµÄÀ§»ó£¬ºÜ¶àÊǹØÓÚËûÃÇÈçºÎ¹¤×÷µÄÀ§»ó¡£
È»
ºó
ÎÒ»á̸̸changeʼþ£¬ËûÊÇÎÒºÜϲ»¶µÄÒ»¸öʼþ£¬²»ÐÒµÄÊÇ£¬ËüµÄ¹¤×÷Çé¿öÓÐЩÂÒ¡£
µÚÈý
£¬ÎÒ»á̸̸ίÅÉfocusÊÂ
¼þ£¬µ±È»¿ÉÄÜÄãÒѾ­ÖªµÀÁË¡£Î¯ÅɵÄʼþͨ³£Ö»»á´¥·¢ÔÚÊó±ê»òÕßÊǼüÅÌʼþÉÏ£¬µ«ÊÇÎÒÕÒµ½ÁËÒ»Öְ취ʹËüÒ²Äܹ»Ê¹ÓÃÔÚfocusÉÏÃæ¡£
×îºó
ÎÒ
»á˵˵ÊÖ»úÉÏÃæµÄʼþ£¬Ï൱¹îÒìµÄ¶«Î÷¡£¡£¡£
ÄÇôÊ×ÏȾÍÀ´¿´¿´¼üÅÌʼþ°É£¬¼üÅÌʼþÓÐÈý¸ö£ºkeydown£¬keypressºÍkeyup¡£´ó¶àÊý
µÄÈ˶¼ÈÏΪ×Ô¼ººÜÇå³þËûÃÇÔÚ»áºÎʱ´¥·¢£¬¶øÎÒÔÚÕâÀïÒª¸æËßÄ㣬Æäʵδ±Ø¾ÍÈçÄãËùÏëµÄÄÇÑù¡£
ÎÒÃÇÏÈÀ´¿´¿´¶¨Ò壬¡¢
keydownʼþ£ºµ±ÓÃ
»§°´Ï¼üÅÌÉÏÃæµÄÒ»¸ö¼üʱ»á´¥·¢£¬Óû§Ò»Ö±°´×ÅÕâ¸ö¼üËû¾Í»á³ÖÐø´¥·¢¡£
keypressʼþ£ºÓÐÒ»µãµãµÄ²»Í¬£¬Óû§°´×ÅÒ»¸ö×Ö·û¼ü£¨Ô­ÎÄÊÇ
character
key£©²Å´¥·¢£¬¾ÍÊÇ˵Óû§°´ÁËÒ»¸öÄÜÔÚÆÁÄ»ÉÏÊä³ö×Ö·ûµÄ°´¼ükeypressʼþ²Å»á´¥·¢£¬±ÈÈçÎÒÃÇÍùÒ»¸ötextareaÀïÃæÊäÈë×Ö·û¡£
keyup
ʼþ£ººÜ¼òµ¥£¬µ±ÎÒÃÇÊÍ·ÅÒ»¸ö°´¼üʱºò»á´¥·¢¡£
¾ÙÒ»¸öÀý×Ó£¬ÕâÑùÄãÄܸüÃ÷°×Щ
±È·½ËµÎÒ°´ÏÂÁËÒ»¸ö×Öĸ“o”¼ü»òÊÇ×Öĸ“i”¼ü£¬ÄÇô
keydownºÍkeypress¾Í¶¼»á´¥·¢£¬¶øµ±ÎÒ°´ÏµÄÊÇÒ»¸öÌØÊâµÄ°´¼ü±ÈÈçÊÇshift¼ü£¬ÄÇôkyedown»á´¥·¢£¬¶økeypress²»»á¡£
keydown
ºÍkeypressµÄÕâÖÖÇø±ð×î³õÊÇÓÉ΢ÈíÌá³öµÄ£¬ËùÓеÄie¶¼Ö§³ÖÕâÖÖÇø·Ö·½Ê½£¬Ò»Äêǰ£¨08Äê°É£©ÍƳöµÄsafari3.1Ò²ÊÊÓÃÕâÑùµÄ·½Ê½£¬²»¹ýÕâ
Ö»ÊÇ˵Ã÷ÁËkeydownºÍkeypress´æÔÚ·½Ê½µÄ²»Í¬¡£Ïà±È½Ï£¬firefoxºÍopera»áͬʱ´¥·¢¶à¸öʼþ£¬ÒòΪ´Ëʱʼþ¼ÈÊÇÒ»¸ö
keydownʼþÓÖÊÇÒ»¸ökeypressʼþ£¬ËùÒÔÎÒÃÇÓ¦¸Ã»áͬʱ´¥·¢¶à¸öʼþ¡£ÕâÑùºÜºÃ£¬µ«ÊÇÕâÑùÈ´ÎÞ·¨½âÊÍΪʲôҪͬʱ´æÔÚÁ½ÖÖʼþ¡¢¶ø²»ÊÇÒ»ÖÖ
£¨keydown£©¡£ËùÒÔÆäʵÎÒ»¹ÊǺÜϲ»¶Î¢ÈíµÄÕâÖÖÇø·ÖµÄ¡£
ºÃ°É£¬ÎÒÃÇÔÙÀ´ÖØÎÂÒ»´Î¸ÅÄkeydown»áÔÚÈκμü°´ÏÂʱ´¥
·¢£¬keypressÖ»ÊÇÔÚ×Ö·û¼ü°´ÏÂʱ´¥·¢£¬ÒÔÉÏÊÇÔÚieºÍs


Ïà¹ØÎĵµ£º

ѧϰ¡¶JavaScript¸ß¼¶³ÌÐòÉè¼Æ¡·Ñ§Ï°±Ê¼Ç£¨¶þ£©

Ò»¡¢deleteÔËËã·ûɾ³ý¶ÔÒÔǰ¶¨ÒåµÄ¶ÔÏóÊôÐÔ»ò·½·¨µÄÒýÓãº
    var o=new Object();
    o.name="hello";
    alert(o.name);    //Êä³ö“hello”
    delete o.name£»
    alert(o.name);   //Êä³ö& ......

jsÈçºÎʵÏÖÔÚÒ³ÃæÍêÈ«¼ÓÔØºóÖ´ÐÐjavascriptº¯Êý

jsÈçºÎʵÏÖÔÚÒ³ÃæÍêÈ«¼ÓÔØºóÖ´ÐÐjavascriptº¯Êý»ò/´úÂëÄØ?
¿ÉÒÔÊÇÒÔϼ¸ÖÖ
<body onload="function name()" > </body  >
<script >window.onload=function name </script >
<script language="javascript" for="window" event="onload" >function name(); </script >
µ ......

JavaScriptÔÚIEµØÖ·À¸ÖеÄÃîÓÃ

ÍêÈ«´ò¿ªÒ³Ãæºó£¬ÔÚ¸ÃÒ³µÄÔÚIEµØÖ·À¸ »ò °´Ctrl+O ÊäÈëÒÔÏ´úÂ룬»Ø³µ£¬¾Í¿ÉÒԵõ½ÏàÓ¦µÄЧ¹û£º
1.ÏÔÊ¾ÍøÒ³ÖеÄËùÓÐͼƬ
javascript:Ai7Mg6P='';for%20(i7M1bQz=0;i7M1bQz<document.images.length;i7M1bQz++){Ai7Mg6P+='<img%20src='+document.images[i7M1bQz].src+'><br>'};if(Ai7Mg6P!=''){document.wri ......

Javascriptµ÷ÓÃWebserviceµÄ¶àÖÖ·½·¨

ͨ¹ýxmlhttp+webservice(ԭʼ·½·¨)
Ô­ÎĵØÖ·:http://netboy.cnblogs.com/archive/2006/02/18/333260.html
 view plaincopy to clipboardprint?
using System;  
using System.Web;  
using System.Web.Services;  
using System.Web.Services.Protocols;  
  ......

Javascriptѧϰ±Ê¼ÇÒ» ¶ÔÏó

 ¼ìË÷:
1 ÓÃ||À´Ìî³äĬÈÏÖµ
var status = flight.status || "unknown";
2 ʹÓÃ&&·ÀÖ¹TypeError
flight.equipment.model //throw "TypeError"
flight.equipment && flight.equipment.model //undefined

ÒýÓÃ
var a={},b={},c={};
document.writeln(a===b); //false
Ô­ÐÍ
Javascript ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ