Ê·ÉÏ×îÅ£X×î¼ò½àµÄJavascriptͼƬËõ·Å´úÂë
Ô´Â룺
function resize(img, width, height) {
(img.width > img.height)
? ((img.height = Math.min(height, width * img.height/img.width)) || (img.width = Math.min(width, img.width)))
: ((img.width = Math.min(width, height * img.width/img.height)) || (img.height = Math.min(height, img.height)));
}
ÉÔ΢ѹËõһϣº
function resize1(i,w,h){var a=i.width;var b=i.height;a>b?((i.height=Math.min(h,w*b/a))||(i.width=Math.min(w,a))):((i.width=Math.min(w,h*a/b))||(i.height = Math.min(h,b)));}
Ïà¹ØÎĵµ£º
±Õ°ü£¨closure£©ÊÇJavascriptÓïÑÔµÄÒ»¸öÄѵ㣬ҲÊÇËüµÄÌØÉ«£¬ºÜ¶à¸ß¼¶Ó¦Óö¼ÒªÒÀ¿¿±Õ°üʵÏÖ¡£
ÏÂÃæ¾ÍÊÇÎÒµÄѧϰ±Ê¼Ç£¬¶ÔÓÚJavascript³õѧÕßÓ¦¸ÃÊǺÜÓÐÓõġ£
Ò»¡¢±äÁ¿µÄ×÷ÓÃÓò
ÒªÀí½â±Õ°ü£¬Ê×ÏȱØÐëÀí½âJavascriptÌØÊâµÄ±äÁ¿×÷ÓÃÓò¡£
±äÁ¿µÄ×÷ÓÃÓòÎ޷ǾÍÊÇÁ½ÖÖ£ºÈ«¾Ö±äÁ¿ºÍ¾Ö²¿±äÁ¿¡£
JavascriptÓïÑÔµÄÌØÊâÖ®´¦£¬¾ÍÔÚÓ ......
FlexÓëJavascript»¥ÏàͨÐÅ¡£
ÔÚFlexÖÐÓÐÕâôһ¸öÀࣺExternalInterface.ÔÚÕâ¸öÀàÖÐËü¸øÎÒÃÇ£ºcallºÍaddCallback
FlexÖÐAsµ÷ÓÃJsµÄ·½·¨ÊÇ£º
1¡¢µ¼Èë°ü £¨import flash.external.ExternalInterface;£©
2¡¢Ê¹ÓÃExternalInterface.call("Jsº¯ÊýÃû³Æ",²ÎÊý)½øÐе÷Óã¬Æä· ......
javascriptÄÚ´æÐ¹Â¶µÄÎÊÌâÒ»Ö±ÒÔÀ´¶¼²»Êܵ½´ó¼ÒµÄÖØÊÓ£¬ÔÒòÊǶÔÓû§µÄÓ°ÏìûÓÐ̫ʵ¼ÊµÄ±íÏÖ£¬»òÐí½ü¼¸ÄêÄڴ淢չѸËÙ¡£½Å±¾ÄÚ´æÔÙй¶Ҳ²»»áÓÐÌ«´óÓ°Ïì¡£
µ±È»×÷Ϊǰ¶Ë¿ª·¢µÄͬѧÃÇ£¬¾Í²»ÄÜÓÐÕâÑùµÄ½ÄÐÒÐÄÀí¡£³öÏÖmemory leaksºÜ´ó³Ì¶ÈÉÏÊÇÒòΪ³ÌÐòµÄ²»³ÉÊìºÍ±àÂ벻̫¹æ·¶Ôì³ÉµÄ¡£²»¹ý£¬ÕâÀï¾Í²»ËµÈçºÎ³öÏÖÎÊÌâµÄ£¬¶ÔÎÊÌâ ......
ÔÚÍøÒ³Öж¯Ì¬ÔØÈëµÄ JavaScript ¶ÔÓÚÒ³ÃæÏÔʾµÄËÙ¶ÈÓ°ÏìÉõ¶à£¬²»µÃ²»×¢Ò⣡
ÓÈÆäÊǺܶàÈËϰ¹ß°Ñ JavaScript include дÔÚ <head> Çø¿éÖУ¬ÕâÑùÒ»À´×î´óµÄÎÊÌâ¾ÍÊÇ Browser ±ØÐëÒªµÈµ½ JavaScript È«²¿¶ÁÍêºó²Å»á¿ªÊ¼ÏÔÊ¾ÍøÒ³£¬Èç¹ûÄãÏñÐÅÒå·¿ÎÝÕâÑù£¬¶ÁÒ»¸öÊ×Ò³ÒªÏÂÔØ 18 ¸ö JavaScript ÍⲿµµÇÒ¡¸Ã»ÓÐ´óÆµ¿í¡¹µÄ» ......
JavascriptÖг£Óõľµä¼¼ÇÉ
1. oncontextmenu="window.event.returnValue=false"
½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table>
¿ÉÓÃÓÚTable
2. <body onselectstart="return false">
È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3. onpaste=&quo ......