JavaScript¶ÔÏóµÄ·Ï³ý
ECMAScriptÓÐÎÞÓô洢µ¥ÔªÊÕ¼¯³ÌÐò£¬µ±ÔÚÔÙûÓжԶÔÏóµÄÒýÓÃʱ£¬³Æ¸Ã¶ÔÏ󱻷ϳý£¨dereference£©ÁË¡£
ÔËÐÐÎÞÓô洢µ¥ÔªÊÕ¼¯³ÌÐòʱ£¬ËùÓзϳýµÄ¶ÔÏó¶¼±»Ïú»Ù¡£
°Ñ¶ÔÏóµÄËùÓÐÒýÓö¼ÉèÖÃΪnull£¬¿ÉÒÔÇ¿ÖÆÐԵķϳý¶ÔÏó£¬ÀýÈ磺
var oObject = new Object;
.......
oObject = null;
µ±Ò»¸ö¶ÔÏóÓжà¸öÒýÓÃʱ£¬Òª½«ËùÓеÄÒýÓö¼ÉèÖÃΪnull£¬²ÅÄܳ¹µ×·Ï³ý¶ÔÏó¡£
Ïà¹ØÎĵµ£º
Submitted by gouki on 2008, December 4, 11:47 PM. Javascript
ÓÃjavascript+vmlÀ´×ö¹¤×÷Á÷£¬È·ÊµÊǵÚÒ»´Î¿´µ½£¬ËùÒÔÎÒÔÚ¿´µ½ÓÐÕâ¸öÐÂÎŵÄʱºò£¬¾Í¾õµÃÌØ±ðµÄ³Ô¾ª¡£µ±ÄêµÄTRS¾ÍÊÇÒòΪÓÐÒ»¸öactivex°æµÄ¹¤×÷Á÷¿Ø¼þµÄCMS£¬µ¼ÖÂËûµÄ¼Û¸ñ·Ç³£µÄ¸ß£¬½ñÌìÄܹ»¿´µ½ÓÐjavascript°æµÄ£¬¾ªÑÈÊÇÄÑÃâµÄ¡£¡£¡£
Ö»ÊDz¢·ÇËùÓеĻúÆ÷¶¼Ö ......
with(document)
{
write ("test");
write
("dsasfda");
}
ÉÏÃæÊÇÓÃÁËwith
Èç¹û²»Óõϰ¾ÍÒªÕâÑùдÁË
document.write (" ......
js eval
evalº¯Êý½ÓÊÕÒ»¸ö²ÎÊýs£¬Èç¹ûs²»ÊÇ×Ö·û´®£¬ÔòÖ±½Ó·µ»Øs¡£·ñÔòÖ´ÐÐsÓï¾ä¡£Èç¹ûsÓï¾äÖ´Ðнá¹ûÊÇÒ»¸öÖµ£¬Ôò·µ»Ø´ËÖµ£¬·ñÔò·µ»Øundefined¡£
Àý×Ó
Ö±½ÓÔËËã
alert(eval('1+2')); // ->3
¸³Öµ
eval('var aa = 5');
alert(aa); // ->5
ÀàÐÍת»»
var yy = "{a:'aa',b:'bb'}";
yy = eval('(' + yy + ')');
......
Ã²ËÆCSDNÀïµÄ¶¼ÊÇרҵÈËÊ¿£¬¸ßÊÖ¿ÉÒÔÂÓ¹ýÁË£¬ºÇºÇ¡£
Ò»ÏÂÊÇÔ´Â룺
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content ......
ASP.NETÖÐǰ̨javascriptÓëºǫ́´úÂëµ÷ÓÃ
2010-03-31 10:01
.netÖÐC#´úÂëÓëjavaScriptº¯ÊýµÄÏ໥µ÷ÓÃÎÊÌâ¡£
¡¡¡¡ÎÊ£º
¡¡¡¡1.ÈçºÎÔÚJavaScript·ÃÎÊC#º¯Êý?
¡¡¡¡2.ÈçºÎÔÚJavaScript·ÃÎÊC#±äÁ¿?
¡¡¡¡3.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptµÄÒÑÓбäÁ¿?
¡¡¡¡4.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptº¯Êý?
¡¡¡¡ÎÊÌâ1´ð°¸ÈçÏ£º
¡¡¡¡javaScriptº¯ ......