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

ÓÃjavascript¶¯Ì¬ÉèÖÃcssÑùʽµÄÖµ

 css¿ØÖÆÎ»Öãº
´¿Êý×Ö
el.style.posLeft = 0;
el.style.posTop = 0;
Êý×Ö+µ¥Î»
el.style.left = "0px";
el.style.top = "0px";
css¿ØÖÆÔªËصÄÑùʽ£º
document.getElementById("para").style.fontWeight ="bold";
»ò£¨ÆäËûÒ²ÊÇÕâÑù£©£º
document.getElementById("para").className ="strong";


Ïà¹ØÎĵµ£º

Google ÅÅÃûÖÐµÄ 10 ¸ö×îÖøÃûµÄ JavaScript ¿â

ugmbbc·¢²¼ÓÚ 2009-11-14 09:41:43| 7628 ´ÎÔĶÁ ×ÖÌ壺´ó С ´òÓ¡Ô¤ÀÀ
var ReTitle = '»Ø¸´:Google ÅÅÃûÖÐµÄ 10 ¸ö×îÖøÃûµÄ JavaScript ¿â';
¸ÐлCOMSHARP CMSµÄͶµÝ
ÐÂÎÅÀ´Ô´:tripwiremagazine.com
JavaScript ÊÇ Web ¿ª·¢ÓëÉè¼ÆÖв»¿É»òȱµÄ¶«Î÷£¬²»¹ÜÊÇÒ»¸ö¼òµ¥µÄÍøÒ³»¹ÊÇÒ»¸öרҵµÄÕ¾µã£¬Ò²²»¹ÜÄãÊǸßÊÖ»¹ÊDzËÄñ ......

javascript typeofµÄÓ÷¨

 
¾­³£»áÔÚjsÀïÓõ½Êý×é,±ÈÈç ¶à¸öÃû×ÖÏàͬµÄinput, ÈôÊǶ¯Ì¬Éú³ÉµÄ, Ìύʱ¾ÍÐèÒªÅÐ¶ÏÆäÊÇ·ñÊÇÊý×é.
if(document.mylist.length != "undefined" ) {} Õâ¸öÓ÷¨ÓÐÎó.
ÕýÈ·µÄÊÇ if( typeof(document.mylist.length) != "undefined" ) {}
»ò if( !isNaN(document.mylist.length) ) {}
typeof ......

¹ØÓÚ(javascript) "if"¹Ø¼ü×ÖµÄÒ»¸öÒÉ»óµÄµØ·½

Ò»Ö±ÒÔÀ´¶Ôif(obj)µÄÓ÷¨ÓеãÒɻ󣬲»ÖªµÀÈç¹ûobjÊÇÒ»¸ö¶ÔÏóµÄʱºò(¶ø²»ÊǼòµ¥µÄtrue/false)£¬¸ÃÔõôִÐС£ÔÚʲôÇé¿öϸÃΪtrue£¬Ê²Ã´Çé¿öÏÂÓÖ¸ÃΪfalse.
ͨ¹ýÏÂÃæµÄС²âÊÔ£¬Á˽⵽£¬µ±obj="",obj=undefined,obj=null,obj=NaN µÄʱºò·µ»Øfalse,obj²»Îª¿ÕµÄʱºòÔò·µ»Øtrue¡£
 
 
var obj ;//undefined
if(ob ......

JavaScriptµ÷ÓÃswfÖк¯Êý

The ExternalInterface API
        ֮ǰÎÒÃÇʹÓÃflashµ÷ÓÃjavascriptº¯Êý£¬Ò»°ãʹÓÃÕâÑùµÄ·½·¨£º
´úÂë:
getURL(¡°javascript:alert(¡®hello zhang-chao.com¡¯);¡±); //×¢Òâ×Ö·û´® Ë«ÒýºÅ ÀïÃæ¼Óµ¥ÒýºÅ
µ«ÊÇʹÓÃÕâÖÖ·½·¨´Óflashµ÷ÓÃjavascriptº¯ÊýÈÔ´æÔÚÐí¶àÀ§ÄÑ ......

CSSÖÐ10¼þÄãÐèÒªÖªµÀµÄÊÂ


1.  CSSµÄÒªµãÊÇÔÚÄãµÄÒ³ÃæÖÐʹÓüò½àµÄHTML´úÂë,È»ºó±àдCSS"¿ØÖƹæÔò"À´Ñùʽ»¯Ò³ÃæÖеĶÔÏó.Ò³Ãæ±£³ÖÇåÎúÓÐÌõ²»ÎÉ¿´ÉÏÈ¥·Ç³£°ô.ÕâÑùÄãµÄHtmlÒ³Ãæ¿ÉÒÔÔÚÒÆ¶¯É豸ºÍ±ê×¼ä¯ÀÀÆ÷ÖÐÔËÐÐ.Õâ¾ÍÊÇCSSµÄÒªµã.
²»¹ýCSSµÄÒÕÊõÔÚÓÚÄܹ»ÀûÓÃCSS¿ØÖƹæÔò¿ìËÙÓÐЧµØ²Ù×ÝÒ³Ãæ¶ÔÏó.°ÑCSS¹æÔòÓëHTML±ê¼ÇÆ¥ÅäÆðÀ´µÄ²Ù×ö¾ÍºÃÏñÊÇÒ»ÖÖ¶ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ