JavaScriptÖеÄ×Ö·û´®²Ù×÷
Ò»¡¢¸ÅÊö
×Ö·û´®ÔÚJavaScriptÖм¸ºõÎÞ´¦²»ÔÚ£¬ÔÚÄã´¦ÀíÓû§µÄÊäÈëÊý¾ÝµÄʱºò£¬ÔÚ¶ÁÈ¡»òÉèÖÃDOM¶ÔÏóµÄÊôÐÔʱ£¬ÔÚ²Ù×÷cookieʱ£¬µ±È»»¹Óиü¶à...¡£JavaScriptµÄºËÐIJ¿·ÖÌṩÁËÒ»×éÊôÐԺͷ½·¨ÓÃÓÚͨÓõÄ×Ö·û´®²Ù×÷£¬Èç·Ö¸î×Ö·û´®£¬¸Ä±ä×Ö·û´®µÄ´óСд£¬²Ù×÷×Ó×Ö·û´®µÈ¡£
µ±Ç°µÄ´ó²¿·Öä¯ÀÀÆ÷Ò²ÄÜ´ÓÇ¿´óµÄÕýÔò±í´ïʽ»ñÒ棬ÒòΪËü¼«´óµØ¼ò»¯ÁË´óÁ¿µÄ×Ö·û´®²Ù×÷ÈÎÎñ£¬²»¹ýËüÒ²ÐèÒªÄã¿Ë·þÒ»ÌõÓÐЩ¶¸Ç͵ÄѧϰÇúÏß¡£ÔÚÕâÀÖ÷ÒªÊǽéÉÜ×Ö·û´®±¾ÉíµÄһЩ²Ù×÷£¬ÕýÔò±í´ïʽ»áÔÚÒÔºóµÄËæ±ÊÖÐÉæ¼°¡£
¶þ¡¢×Ö·û´®µÄ´´½¨
´´½¨Ò»¸ö×Ö·û´®Óм¸ÖÖ·½·¨¡£×î¼òµ¥µÄÊÇÓÃÒýºÅ½«Ò»×é×Ö·û°üº¬ÆðÀ´£¬¿ÉÒÔ½«Æ丳ֵ¸øÒ»¸ö×Ö·û´®±äÁ¿¡£
var myStr = "Hello, String!";
¿ÉÒÔÓÃË«ÒýºÅ»òµ¥ÒýºÅ½«×Ö·û´®°üº¬£¬µ«Òª×¢Ò⣬×÷Ϊ½ç¶¨×Ö·û´®µÄÒ»¶ÔÒýºÅ±ØÐëÊÇÏàͬµÄ£¬²»ÄÜ»ìÓá£
Ïñvar myString = "Fluffy is a pretty cat.'; ÕâÑùµÄÉùÃ÷¾ÍÊÇ·Ç·¨µÄ¡£
ÔÊÐíʹÓÃÁ½ÖÖÒýºÅ£¬Ê¹µÃijЩ²Ù×÷±äµÃ¼òµ¥£¬±ÈÈ罫һÖÖǶÈëÁíÍâÒ»ÖÖ£º
document.write("<img src='img/logo.jpg' height='30' width='100' alt='Logo'>");
ÎÒÃÇÔÚÉÏÃæ½Å±¾´´½¨Á˼¸¸ö×Ö·û´®£¬µ«±¾ÖÊÉÏ£¬ËüÃDz¢²»ÊÇÕæÕýµÄ×Ö·û´®¶ÔÏó£¬×¼È·µØ˵£¬ËüÃÇÊÇ×Ö·û´®ÀàÐ͵ÄÖµ¡£Òª´´½¨Ò»¸ö×Ö·û´®¶ÔÏ󣬿ÉʹÓÃÈçÏÂÓï¾ä£ºvar strObj = new String("Hello, String!");
ʹÓÃtypeofÔËËã·û²é¿´»á·¢ÏÖ£¬ÉÏÃæµÄmyStrÀàÐÍΪstring£¬¶østrObjÀàÐÍΪobject¡£
Èç¹ûÏëÖªµÀ×Ö·û´®µÄ³¤¶È£¬Ê¹ÓÃÆälengthÊôÐÔ£ºstring.length¡£
µÃµ½×Ö·û´®µÄÖ¸¶¨Î»ÖõÄ×Ö·ûʹÓ÷½·¨£ºstring.charAt(index);
Èý¡¢×Ö·û´®µÄÆ´½Ó
ÎÊÌ⣺
½«Á½¸ö»ò¶à¸ö×Ö·û´®Æ´½ÓΪһ¸ö´óµÄ×Ö·û´®
½â¾ö·½°¸£º
·Ç³£¼òµ¥£¬¾ÍÓÃÒ»¸ö"+"½«Á½¸ö×Ö·û´®"Ïà¼Ó"£º
var longString = "One piece " + "plus one more piece.";
Òª½«¶à¸ö×Ö·û´®ÀÛ»ýΪһ¸ö×Ö·û´®£¬»¹¿ÉÒÔʹÓÃ"+="²Ù×÷·û£º
var result = "";
result += "My name is Anders"
result += " and my age is 25"; &nbs
Ïà¹ØÎĵµ£º
Document¶ÔÏóÄÚÈݼ¯ºÏ
document Îĵ²¶ÔÏó - JavaScript½Å±¾ÓïÑÔÃèÊö
———————————————————————
×¢:Ò³ÃæÉÏÔªËØnameÊôÐÔºÍJavaScriptÒýÓõÄÃû³Æ±ØÐëÒ»Ö°üÀ¨´óСд
·ñ ......
.×Ö·û´®(String)
1.ÉùÃ÷
var myString = new String("Every good boy does fine.");
var myString = "Every good boy does fine.";
2.×Ö·û´®Á¬½Ó
var myString = "Every " + "goo ......
·½·¨Ò»£º
ÓÃ;£ºÓÃÓÚ»ñµÃÔÚCSSÎļþÖÐÉùÃ÷µÄÌض¨ÑùʽÖеÄijÊôÐÔÖµ¡£È磺
<link id="system_style" type="text/css" href="global.css" rel="stylesheet"/>
<div id="myArticle" style="left:10px;top:35px;" >
ÔÚglobal.cssÖÐÉùÃ÷ÁË
#myArticle{width:400px; height:300px;}
ÕâÑùµÄÇé¿öÏ£¬Ö±½Óͨ¹ ......
ÆäËüÃæÏò¶ÔÏóµÄÓïÑÔÈçJAVAµÄÒ»¸ö³£¼ûÌØÐÔÊÇ£¬¸ù¾Ý´«ÈëµÄ²»Í¬ÊýÁ¿»òÀàÐ͵ģ¬Í¨¹ýÖØÔØ(overload) À´·¢»Ó²»Í¬µÄ¹¦Ó᣾¡¹ÜÕâ¸öÌØÐÔÔÚJavaScriptÖв¢Ã»ÓÐÖ±½ÓÖ§³Ö£¬Ò²Óкܶà°ì·¨Äܹ»ÊµÏÖ¡£
º¯ÊýÖØÔØ£¨function overloading£©±ØÐëÒÀÀµÁ½¼þÊÂÇ飺Åжϴ«Èë²ÎÊýµÄÊýÁ¿µÄÄÜÁ¦ºÍÅжϴ«Èë²ÎÊýÀàÐ͵ÄÄÜÁ¦¡£
JavaScript掅 ......
Ò»¡¢Ç°ÑÔ
Ajax£¬Òì²½JavaScriptºÍXML£¬Ç°ÃæÒѾ½âÊ͹ý£¬ËùÒÔAjaxµÄѧϰ»¹°üº¬JavaScriptºÍXML£¬ÕâÀïÎÒÃÇÏÈ¿´JavaScript£¬¶øJavaScriptʵ¼ÊÉÏÓÖÊÇ°üº¬JavaScriptÓï·¨ºÍHTML DOM¼´Îĵµ¶ÔÏóÄ£Ð͵ģ¬½ÓÏÂÀ´»á·Ö±ð½éÉÜ¡£
JavaScript½Ì³Ì²Î¿¼µØÖ·£ºhttp://www.w3school.com.cn/js/index.asp
¶þ¡¢JavaScript»ù´¡
1)&nb ......