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

JavaScriptÖÐÒ»µãÈÃÈ˺ܲ»Àí½âµÄµØ·½

Õâ¸öµØ·½¾ÍÊÇΪʲôËüµÄStringÀàÐͲ»Ö±½ÓÌṩһ¸ötrim·½·¨ÄØ£¿
Ϊʲôÿ´Î¶¼ÒªÐ´ÕâÑùÒ»¾ä»°ÄØ£¿
String.prototype.trim=function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
ÕâÑùÓÐÒâ˼Âð£¿
JavaScriptÖй涨һ¸öÕâÑùµÄ·½·¨»áËÀ°¡£¿


Ïà¹ØÎĵµ£º

[·­Òë]PPK ̸ JavaScript µÄ this ¹Ø¼ü×Ö


Ô­ÎÄ£ºJavaScript - The this keyword
ÔÚ JavaScript ÖÐ this ÊÇ×îÇ¿µÄ¹Ø¼ü×ÖÖ®Ò»¡£ÕâÆªÌùÎľÍÊÇÒª¸æËßÄãÈçºÎÓúà this¡£
ÏÂÃæÏȽ²ÈçºÎÔÚevent handling
(ʼþ´¦Àí)ÖÐÓÃËü£¬ÔÙ½Ó×ÅÊǽ² this µÄÆäËûÓ÷¨¡£
ËùÓÐÕß(Owner)
ÏÈÀ´¿´¿´º¯Êý doSomething() ÀïµÄ this ¾¿¾¹Ö¸Ïò(refer to)ÁËʲô£¿
function doSomething() { ......

javascript µÄÓô¦

ÒýÑÔ
ÎÒÃÇÒѾ­Ì½ÌÖ¹ýÁ˱ØÒªµÄ³ÌÐòÉè¼ÆºËÐĸÅÄî¡£ÏÖÔÚÊÇʱºò´Óϸ½ÚÖÐÍ˳öÀ´£¬²¢¸ßÕ°Ô¶ÖõµØÀ´¿´¿´Äã¿ÉÒÔÀûÓà JavaScript À´×öЩʲôÁË——ΪʲôÄãÒª»¨Ê±¼äÀ´Ñ§Ï°ÕâÑùһß´ÔӵŦ¿Î£¬ÒÔ¼°ÈçºÎ½«ÆäÓõ½ÄãµÄÍøÒ³ÉÏ£¿
¹ýÈ¥µÄ¼¸Äê¶ÔÎÒÀ´ËµÊÇÒ»¶ÎÓÐȤµÄʱ¼ä£¬ÒòΪÔÚÕâ¶Îʱ¼äÀï JavaScript µÄʹÓôÓÒ»ÖÖ±ßԵ֪ʶ³ÉΪÁË ......

¡¶JavaScriptºËÐļ¼Êõ¡·

JavaScriptÖеÄÔ­ÐÍ(prototyping)   prototypeÊôÐÔ
   
1.¶ÔÄÚÖöÔÏóµÄÀ©Õ¹
        (StringÌí¼Ótrim()·½·¨)
        ****************
        String.prototype.trim = funct ......

³£ÓõÄJavaScriptÑéÖ¤ÕýÔò±í´ïʽ(×ªÔØ)


ÏÂÃæ¶¼ÊÇÎÒÊÕ¼¯µÄһЩ±È½Ï³£ÓõÄÕýÔò±í´ïʽ£¬ÒòΪƽ³£¿ÉÄÜÔÚ±íµ¥ÑéÖ¤µÄʱºò£¬Óõ½µÄ±È½Ï¶à¡£ÌØ·¢³öÀ´£¬Èø÷λÅóÓѹ²Í¬Ê¹Ó᣺Ǻǡ£
Æ¥ÅäÖÐÎÄ×Ö·ûµÄÕýÔò±í´ïʽ£º [u4e00-u9fa5]
ÆÀ×¢£ºÆ¥ÅäÖÐÎÄ»¹ÕæÊǸöÍ·ÌÛµÄÊ£¬ÓÐÁËÕâ¸ö±í´ïʽ¾ÍºÃ°ìÁË
Æ¥ÅäË«×Ö½Ú×Ö·û(°üÀ¨ºº×ÖÔÚÄÚ)£º[^x00-xff]
ÆÀ×¢£º¿ÉÒÔÓÃÀ´¼ÆËã×Ö·û´®µÄ³¤¶È£¨Ò» ......

ÁìÎò JavaScript Öеķ½·¨¶ÔÏó

ÎÄÕ³ö×Ô yiding-he.javaeye.com
JavaScript ÊÇÃæÏò¶ÔÏóµÄ¡£µ«ÊDz»ÉÙÈ˶ÔÕâÒ»µãÀí½âµÃ²¢²»È«Ãæ¡£
ÔÚ JavaScript ÖУ¬¶ÔÏó·ÖΪÁ½ÖÖ¡£Ò»ÖÖ¿ÉÒÔ³ÆÎª“ÆÕͨ¶ÔÏ󔣬¾ÍÊÇÎÒÃÇËùÆÕ±éÀí½âµÄÄÇЩ£ºÊý×Ö¡¢ÈÕÆÚ¡¢Óû§×Ô¶¨ÒåµÄ¶ÔÏó£¨È磺{}£©µÈµÈ¡£
»¹ÓÐÒ»ÖÖ£¬³ÆÎª“·½·¨¶ÔÏ󔣬¾ÍÊÇÎÒÃÇͨ³£¶¨ÒåµÄ function¡ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ