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

javascript eventʼþ½âÎö1 only handbook


event.srcElement Óëevent.target

 
Javascript event.srcElement
¸Ð¾õÕâ¸öͦºÃ£¬¿ÉÒÔ²¶»ñµ±Ç°Ê¼þ×÷ÓõĶÔÏó£¬Èçevent.srcElement.tagName¿ÉÒÔ²¶»ñ»î¶¯±ê¼ÇÃû³Æ¡£
×¢Òâ»ñÈ¡µÄ±ê¼Ç¶¼ÒÔ´óд±íʾ£¬Èç"TD","TR","A"µÈ¡£ËùÒÔ°Ñ¿´¹ýµÄһЩ³­ÏÂÀ´£¬²»¼ÇµÃµÄʱºòÔÙÀ´¿´¿´¡£
<script type="text/javascript">
    function tdclick(){
        if(event.srcElement.tagName.toLowerCase()=='td')
             alert("ÐУº"+(event.srcElement.parentNode.rowIndex+1)+"ÁУº"+(event.srcElement.cellIndex+1));
     }
  </script>
event.srcElement´Ó×ÖÃæÉÏ¿ÉÒÔ¿´³öÀ´ÓÐÒÔϹؼü×Ö£ºÊ¼þ,Ô´     ËûµÄÒâ˼¾ÍÊÇ£ºµ±Ç°Ê¼þµÄÔ´£¬
ÎÒÃÇ¿ÉÒÔµ÷ÓÃËûµÄ¸÷ÖÖÊôÐÔ ¾ÍÏñ:document.getElementById("")ÕâÑùµÄ¹¦ÄÜ£¬
¾­³£ÓÐÈËÎÊ firefox Ï嵀 event.srcElement ÔõôÓã¬ÔÚ´ËÏêϸ˵Ã÷£º
IEÏÂ,event¶ÔÏóÓÐsrcElementÊôÐÔ,µ«ÊÇûÓÐtargetÊôÐÔ;FirefoxÏÂ,event¶ÔÏóÓÐtargetÊôÐÔ,µ«ÊÇûÓÐsrcElementÊôÐÔ.µ«ËûÃǵÄ×÷ÓÃÊÇÏ൱µÄ£¬¼´£º
firefox Ï嵀 event.target = IE Ï嵀 event.srcElement
½â¾ö·½·¨:ʹÓÃobj(obj = event.srcElement ? event.srcElement : event.target;)À´´úÌæIEϵÄevent.srcElement»òÕßFirefoxϵÄevent.target.
ת×Ô£ºhttp://www.cnblogs.com/Robin-wu/archive/2008/07/25/1251453.html


Ïà¹ØÎĵµ£º

JAVASCRIPT ½Ì³Ì4 ¸¶Ê×ê¿

µÚËļ¯
--------------------------------------------------------------------------------
ÕâÕÂÎÒ½«¸æËßÄúÈçºÎÔÚ״̬ÁÐ (statusbar) (Ò²¾ÍÊÇÄúä¯ÀÀÆ÷×îÏ·½ÏÔʾ URLs µÄÄÇÒ»ÐÐ) ÏÔʾÎÄ×Ö£¬²¢ÇÒ½«½ÌÄú 'ÅÜÂíµÆ' (ÒÔϼò³Æ scroller ) µÄ¹¤×÷Ô­Àí¡£ËäÈ»ÒÔ
JavaScript Íê³ÉµÄ scroller ĿǰÈÔÓÐЩÎÊÌâ (ÉÔáá»áÌáµ½ÎÊÌâÔ ......

ÕÅТÏêjavascript½²×ù±Ê¼ÇÁù£¨½á¾Öƪ£©

Ò»£¬javascriptµÄÄÚ²¿¶ÔÏó£¨Ï൱ÓÚϵͳµ÷Óã¬Æäʵ±¾ÖÊÊÇÒ»¸ö¹¹Ô캯Êý£©
1£¬¶¯Ì¬¶ÔÏó
     Ê¹ÓÓ¶ÔÏóʵÀýÃû.³ÉÔ±”µÄ¸ñʽÀ´·ÃÎÊÆäÊôÐԺͷ½·¨¡££¨ÓÃnewÏÈ´´½¨¶ÔÏóʵÀý£©
2£¬¾²Ì¬¶ÔÏó
     Ö±½ÓʹÓÓ¶ÔÏóÃû.³ÉÔ±”µÄ¸ñʽÀ´·ÃÎÊÆäÊôÐԺͷ½·¨
¶þ£¬¼¸¸öÄÚÖö ......

JavaScript»ñÈ¡Ò³Ãæ¿í¶È¸ß¶È´óÈ«

ÍøÒ³¿É¼ûÇøÓò¿í£ºdocument.body.clientWidth
ÍøÒ³¿É¼ûÇøÓò¸ß£ºdocument.body.clientHeight
ÍøÒ³¿É¼ûÇøÓò¿í£ºdocument.body.offsetWidth(°üÀ¨±ßÏߵĿí)
ÍøÒ³¿É¼ûÇøÓò¸ß£ºdocument.body.offsetHeight(°üÀ¨±ßÏߵĿí)
ÍøÒ³ÕýÎÄÈ«ÎÄ¿í£ºdocument.body.scrollWidth
ÍøÒ³ÕýÎÄÈ«Îĸߣºdocument.body.scrollHeight
ÍøÒ³±»¾íÈ¥µ ......

JavaScriptÅжÏä¯ÀÀÆ÷ÀàÐͼ°°æ±¾

ÄãÖªµÀÊÀ½çÉÏÓжàÉÙÖÖä¯ÀÀÆ÷Â𣿳ýÁËÎÒÃÇÊìÖªµÄIE, Firefox, Opera, SafariËÄ´óä¯ÀÀÆ÷Ö®Í⣬ÊÀ½çÉÏ»¹Óнü°ÙÖÖä¯ÀÀÆ÷¡£
       ¼¸Ììǰ£¬ä¯ÀÀÆ÷¼Ò×åÓиյ®ÉúÁËһλСÍõ×Ó£¬¾ÍÊÇGoogleÍÆ³öµÄChromeä¯ÀÀÆ÷¡£ÓÉÓÚChrome³öÉúÃûÃÅ£¬¾¡¹ÜËû»¹ÊǸöС¼Ò»ï£¬Ã»ÓÐÈ˸ÒС¿´Ëû¡£ÒÔºó£¬ÔÛÃdz£Ëµä¯ÀÀÆ÷µÄ&ld ......

javascriptÅжÏcheckBoxÊÇ·ñΪ¿Õ

<script type="text/javascript">
function checkform() {
    //ÅжϱêÌâÀ¸ÊÇ·ñÌîд
    if (document.form1.title.value == "") {
        alert("ÐÅÏ¢ÀàÐͲ»ÄÜΪ¿Õ£¡");
     &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ