javascript»ñµÃurl²ÎÊý
Ò»¡¢
<script type="text/javascript">
function GetUrlParms()
{
var args=new Object();
var query=location.search.substring(1);//»ñÈ¡²éѯ´®
var pairs=query.split("&");//ÔÚ¶ººÅ´¦¶Ï¿ª
for(var i=0;i<pairs.length;i++)
{
var pos=pairs[i].indexOf('=');//²éÕÒname=value
if(pos==-1) continue;//Èç¹ûûÓÐÕÒµ½¾ÍÌø¹ý
var argname=pairs[i].substring(0,pos);//ÌáÈ¡name
var value=pairs[i].substring(pos+1);//ÌáÈ¡value
args[argname]=unescape(value);//´æÎªÊôÐÔ
}
return args;
}
//ʹÓ÷½·¨£º
//var args = new Object();
//args = GetUrlParms();
//Èç¹ûÒª²éÕÒ²ÎÊýid:
//var ID = args["id"];
//alert(ID);
</script>
¶þ¡¢
<script type="text/javascript">
<!--
var url = "http://www.baidu.com/?age=25&k=1&site=asp&abc=123;"
//javascript»ñȡָ¶¨²ÎÊý¼°Æä¶ÔÓ¦µÄÖµ
function getParameter(paraStr, url)
{
var result = "";
//»ñÈ¡URLÖÐÈ«²¿²ÎÊýÁбíÊý¾Ý
var str = "&" + url.split("?")[1];
var paraName = paraStr + "=";
//ÅжÏÒª»ñÈ¡µÄ²ÎÊýÊÇ·ñ´æÔÚ
if(str.indexOf("&"+paraName)!=-1)
{
&nb
Ïà¹ØÎĵµ£º
Èç¹ûÄãÏë¼ÓÎÒΪºÃÓÑ£ºÇëµã»÷ÒÔÏÂÁ´½Óhttp://hi.csdn.net/invite.php?u=8943&
c=759c7fc189ea23c1
µÚ2ÕÂ
Óï·¨
±¾Õ½éÉÜ
JavaScript
µÄ¾«»ª²¿·ÖµÄÓï·¨£¬²¢¼òÒªµØ¸ÅÊöÆäÓïÑԽṹ¡£
2.1
¿Õ°×
¿Õ°×¿ÉÄܱíÏÖΪ¸ñʽ»¯×Ö·û»ò×¢ÊÍ
µÄÐÎʽ¡£¿Õ°× ......
µÚ3ÕÂ
¶ÔÏó
JavaScript
µÄ¼òµ¥ÀàÐͰüÀ¨
Êý×Ö¡¢×Ö·û´®¡¢²¼¶ûÖµ£¨
true
ºÍ
false
£©¡¢
null
ÖµºÍ
undefined
Öµ¡£ÆäËûËùÓеÄÖµ¶¼ÊǶÔÏó¡£Êý×Ö¡¢×Ö·û´®ºÍ²¼¶ûÖµ“Ã²ËÆ”¶ÔÏó£¬ÒòΪËüÃÇÓµÓз½·¨£¬µ«ËüÃÇÊDz»¿É±ä
µÄ¡£
JavaScript
ÖеĶÔÏóÊǿɱäµÄ¼ü
-
Öµ¼¯ºÏ
(keyed
collections)
¡£ÔÚ ......
µÚ4ÕÂ
º¯
Êý
JavaScript
ÖÐ×îºÃµÄÌØÐÔ¾ÍÊÇËü¶Ôº¯ÊýµÄʵÏÖ¡£Ëü¼¸ºõÎÞËù²»ÄÜ¡£µ«ÊÇ£¬Ïë±ØÄãÒ²ÄÜÔ¤Áϵ½£¬º¯ÊýÔÚ
JavaScript
ÀïÒ²²¢·ÇÍòÄÜÒ©¡£
º¯Êý°üº¬Ò»×éÓï¾ä£¬ËüÃÇÊÇ
JavaScript
µÄ»ù´¡Ä£¿éµ¥Ôª£¬ÓÃÓÚ´úÂ븴Óá¢ÐÅÏ¢Òþ²ØºÍ×éºÏµ÷Ó᣺¯ÊýÓÃÓÚÖ¸¶¨¶ÔÏóµÄÐÐΪ¡£Ò»°ãÀ´Ëµ£¬Ëùν±à³Ì¾Í
Êǽ«Ò»×éÐèÇó·Ö½â³ÉÒ» ......
µÚ8ÕÂ
·½·¨
JavaScript
°üº¬ÁËÉÙÁ¿¿ÉÓÃ
ÔÚ±ê×¼ÀàÐÍÉϵıê×¼·½·¨¡£
Array
array.concat(item…)
concat
·½·¨·µ»ØÒ»¸öÐÂÊý×飬Ëü
°üº¬
array
µÄdz¸´ÖÆ
(shallow copy)
²¢½«
1
¸ö»ò¶à¸ö²ÎÊý
item
¸½¼ÓÔÚÆäºó¡£Èç¹û²ÎÊý
item
ÊÇÒ»¸öÊý×飬ÄÇôËüµÄÿ¸öÔªËØ»á±»·Ö±ðÌí¼Ó¡£´ËÍ⣬Çë²Î¼û±¾Õºóà ......
http://blog.csdn.net/mouyong/archive/2010/01/31/5275562.aspx
µÚ7Õ ÕýÔò±í´ïʽ
JavaScriptµÄÐí¶àÌØÐÔ¶¼½è¼ø×ÔÆäËûÓïÑÔ¡£Óï·¨½è¼ø×ÔJava£¬º¯Êý½è¼ø×ÔScheme£¬ÔÐÍ¼Ì³Ð½è¼ø×ÔSelf¡£¶øJavaScriptµÄÕýÔò±í´ïÊ½ÌØÐÔÔò½è¼ø×ÔPerl¡£
ÕýÔò±í´ïʽÆðÔ´ÓÚ¶ÔÐÎʽÓïÑÔµÄÊýѧÑо¿¡£
ÔÚJavaScriptÖУ¬ÕýÔò±í´ïʽµÄÓï· ......