ÔÚJavascriptÖж¯Ì¬´´½¨º¯Êý
´´½¨¶¯Ì¬º¯Êý£¨ÔÚc/c++ÖÐÀûÓú¯ÊýÖ¸ÕëÀ´ÊµÏÖ£©
var FunctionName = new Function(argument1,...,lastargument);
˵Ã÷£º
ËùÓеIJÎÊý¶¼±ØÐëÊÇ×Ö·û´®ÀàÐ͵ģ¬×îºóµÄÒ»¸ö²ÎÊý±ØÐëÊÇÕâ¸ö¶¯Ì¬º¯ÊýµÄ¹¦ÄܳÌÐò´úÂë¡£
<script type="text/javascript">
<!--
var square = new Function('x','y','h','var sum,sum=(x+y)*h/2;return sum;');
alert(square(2,3,10));
// -->
</script>
¶¯Ì¬º¯ÊýÓÐʲôÓã¿
¿ÉÒÔÔÚ³ÌÐòÖ´Ðйý³ÌÖУ¬¶¯Ì¬±ä»»º¯ÊýµÄº¯Êý´úÂ룻
Ïà¹ØÎĵµ£º
µÚ 2 ¼¯
--------------------------------------------------------------------------------
·¶ Àý 5£º
ÔÚ Õâ Ò» ²¿ ·Ö Ê× ÏÈ Òª Ϊ Äã Õ¹ ʾ µÄ JavaScript ÌØ ÐÔ ÊÇ ½« Äã µÄ »¬ Êó ÒÆ µ½ Õâ ¸ö ²» ͬ ÑÕ É«
µÄÁ¬ ½áÉÏ Ãæ£¬ ´Ë ʱ ¿´ ¿´ ä¯ ÀÀ Æ÷ Ï µÄ ×´ ̬ ÁÐ ÓÐ ºÎ ½á ¹û¡£ È» áá Õâ Ñù µÄ ¹¦ ÄÜ ÎÒ ÃÇ ......
µÚ Èý ¼¯
--------------------------------------------------------------------------------
Ôø ÓÐ Ðí ¶à Íø ÓÑ ÎÊ ÎÒ ÓÐ ¹ØJavaScriptÓë ¿ò ¼Ü(Ϊ Çó ·½ ±ã£¬ ÒÔ Ï ¾ù ÓÃframe±í ʾ)ºÏ Óà µÄ ÎÊ Ìâ¡£ Ê ʵ ÉÏ£¬Èô Äú ͬ ʱ Ïë ÓÃframesºÍJavaScriptµÄ ¹¦ ÄÜ£¬
Ê× ÏÈ Äú ±Ø Ðè Óµ ÓÐNetscape Navigator 2.0 (»ò ÒÔ ......
constructorÊôÐÔʼÖÕÖ¸Ïò´´½¨µ±Ç°¶ÔÏóµÄ¹¹Ô캯Êý¡£±ÈÈçÏÂÃæÀý×Ó£º
// µÈ¼ÛÓÚ var foo = new Array(1, 56, 34, 12);
var arr = [
1
,
56
,
34
,
12
];
console.log(arr.constructor === Array); ......
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 ......
ÕâÊÇÒ»ÖÖºÜÓÐǰ;µÄ¼¼Êõ£¬¿ÉϧÉú²»·êʱ£¬IE¸Õ´ò¿åÍø¾°£¬»ðºüÓÖð³öÀ´ÁË¡£ÕâÖÖ¼¼ÊõÊÇÎÒÔÚÉè¼Æ³¬¼¶Êý×é¶ÔÏóʱ·¢Ïֵġ£ÓÉÓÚÖ±½Ó¼Ì³ÐÔÉúÊý×éÎÊÌâ¶à£¬ÎÒÖ»ÓÐÓÃObjectÓëArrayµÄÔÐÍ·½·¨¹¹½¨Ò»¸öÐÂÀà¡£²»ÓÃ˵£¬Ð§Âʲ»Ì«ÀíÏë¡£Ö±µ½ÎÒÒѰѳ¬¼¶Êý×éÕéÖÁÍêÃÀµÄ½ñÌ죬ÎÒ»¹ÔÚ²»¶ÏѰÕÒеÄÌæ´ú·½°¸£¬ÓÚÊÇÎÒ¾ÍÏëµ½ÓÃÁíÒ»¸öÎĵµµÄÊý×é¶ÔÏóÀ ......