JavaScript ÈýÖÖ¹¹Ôì¶ÔÏóµÄ·½·¨
//µÚÒ»ÖÖ¹¹Ôì·½·¨: new Object()
var a = new Object();
a.x = 1, a.y = 2;
//µÚ¶þÖÖ¹¹Ôì·½·¨: ¶ÔÏóÖ±½ÓÁ¿
var b = {x:1,y:b};
//µÚÈýÖÖ¹¹Ôì·½·¨: ¶¨ÒåÀàÐÍ
function Point(x,y)
{
this.x = x;
this.y = y;
}
var p = new Point(1,2);
Ïà¹ØÎĵµ£º
½ñÌìÔÚ²©¿ÍÔ°ÉÏ¿´µ½Ò»ÆªÎÄÕ£¬¸ú×ÅѧϰÁËһϣ¬×ª¹ýÀ´Óë´ó¼Ò·ÖÏí£¬²¿·ÖÄÚÈÝÎÒ×öÁ˲¹³ä£¡
Ò»¡¢JavaScriptÕýÔò±í´ïʽ»ù±¾ÖªÊ¶
1¡¢JavaScriptÕýÔò±í´ïʽ´´½¨ºÍÓ÷¨
ÉùÃ÷ÕýÔò±í´ïʽÓÐÁ½ÖÖ·½Ê½£º
a) var reCat = new RegExp("cat");
b) var reCat = /cat/; //perl·ç¸ñ£¨ÍƼö£©& ......
˵Ã÷£ºÕâÆªÎÄÕ½ÚÑ¡×ÔJohn Resig
µÄ¡¶Secrets of the JavaScript Ninja¡·Ò»Ê飬±¾ÈË·ÒëÖ»Êǹ©´ó¼Òѧϰ£¬·Òë²»×ãÖ®´¦£¬Ç븫Õý¡£
ÕâÆªÎÄÕÂÖ÷Òª´ÓÏÂÃæ¼¸¸ö·½Ãæ½â¶Á¼ÆÊ±Æ÷£º
¼ÆÊ±Æ÷¸ÅÊö£»
¼ÆÊ±Æ÷ËÙ¶ÈÉî¶È̽Îö£»
ÓüÆÊ±Æ÷´¦Àí´óÁ¿ÈÎÎñ£»
ÀûÓüÆÊ±Æ÷¹ÜÀí¶¯»£»
½ÏºÃµÄ¼ÆÊ±Æ÷²âÊÔ
¼ÆÊ±Æ÷ÊÇÒ»¸öÎÒÃÇÁ˽âºÜÉÙÇÒ¾³£±» ......
±¾ÎĽéÉÜÈçϼ¸¸ö·½ÃæµÄÄÚÈÝ:
1.ÈçºÎ´´½¨Êý×é
2.ÈçºÎ¶ÔÊý×é½øÐвÙ×÷£¨Ìí¼Ó,ɾ³ý,¶ÁÈ¡)
3.Êý×é³£¼û·½·¨ºÍÊôÐÔ
ÈçºÎ´´½¨Ò»¸öÊý×é,Ò»°ãµØ¸ù¾Ý³õʼ»¯É趨¼òµ¥·ÖΪ3ÖÖ:
1.µ¥´¿´´½¨Êý×é:
var arr=new Array();
Òªµã:ÓÃnew¹Ø¼ü×Ö´´½¨Êý×é¶ÔÏóArray(),Array()¶ÔÏóÊÇÒ»¸ö±¾µØÀà,¿ÉÒÔÓÃnew´´½¨Ò»¸ö¶ÔÏóºóʹÓÃ
2.´´½¨Êý×éµÄÍ ......
javascriptÖдæÔÚ¼¸ÖÖ¶ÔURL×Ö·û´®½øÐбàÂëµÄ·½·¨£ºescape()£¬encodeURI()£¬ÒÔ¼°encodeURIComponent()¡£Õ⼸ÖÖ±àÂëËùÆðµÄ×÷Óø÷²»Ïàͬ¡£
escape() ·½·¨£º
²ÉÓÃISO Latin×Ö·û¼¯¶ÔÖ¸¶¨µÄ×Ö·û´®½øÐбàÂë¡£ËùÓеĿոñ·û¡¢±êµã·ûºÅ¡¢ÌØÊâ×Ö·ûÒÔ¼°ÆäËû·ÇASCII×Ö·û¶¼½«±»×ª»¯³É%xx¸ñʽµÄ×Ö·û±àÂ루xxµÈÓÚ¸Ã×Ö·ûÔÚ×Ö·û¼¯±í ......
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="return false" ²»×¼Õ³Ìù
4. oncopy="return false;" oncut="re ......