javascript cookies ´æ¡¢È¡¡¢É¾³ýʵÀý
<script>
//дcookiesº¯Êý ×÷ÕߣºµÔÕñ¿
function
SetCookie(name,value)//Á½¸ö²ÎÊý£¬Ò»¸öÊÇcookieµÄÃû×Ó£¬Ò»¸öÊÇÖµ
{
var Days = 30;
//´Ë cookie ½«±»±£´æ 30 Ìì
var exp = new Date(); //new
Date("December 31, 9998");
exp.setTime(exp.getTime() +
Days*24*60*60*1000);
document.cookie = name + "="+ escape (value)
+ ";expires=" + exp.toGMTString();
}
function
getCookie(name)//È¡cookiesº¯Êý
{
var arr =
document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
if(arr != null) return unescape(arr[2]); return null;
}
function
delCookie(name)//ɾ³ýcookie
{
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=getCookie(name);
if(cval!=null) document.cookie= name +
"="+cval+";expires="+exp.toGMTString();
}
SetCookie
("xiaoqi", "3")
alert(getCookie('xiaoqi'));
</script>
Ò»¸ö·Ç³£ÊµÓõÄjavascript¶ÁдCookieº¯Êý
Ò»¸ö·Ç³£ÊµÓõÄjavascript
¶ÁдCookieº¯Êý
function GetCookieVal(offset)
//»ñµÃCookie½âÂëºóµÄÖµ
{
var endstr = documents.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = documents.cookie.length;
return unescape(documents.cookie.substring(offset, endstr));
}
function SetCookie(name, value)
//
É趨CookieÖµ
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ?
Ïà¹ØÎĵµ£º
±¾ÎÄÖ÷ÒªÊdzöÓÚÓÐÅóÓÑʹÓÃÎÒÔÀ´Ð´µÄautocompleteµÄJS¿Ø¼þ¡£µ±Êý¾ÝÁ¿´óµÄʱºò£¬»á³öÏÖЧÂʼ«ÆäÂýµÄÇé¿ö£¬ÎÒÔÚÕâ¶Îʱ¼ä×ö³öµÄһЩ²âÊÔÒ²¼°Ò»Ð©¾Ñ飬Óë´ó¼Ò·ÖÏí£¬Èç¹ûÓдíµÄµØ·½£¬»¹ÇëÖ¸³ö¡£
¾¹ý²âÊÔ£¬ÎÒÃǻᷢÏÖÈçϵÄÇé¿ö»òÕß˵µÄ½áÂÛ£¬Èç¹ûÄúµÄ²âÊÔ½á¹ûÓëÎҵIJ»·û£¬Çë˵Ã÷ÔÒò£¬ÒÔ±ãÏ໥ѧϰ¡£
1£©µ±Ò»¸ö½Ï´óµÄHTML×Ö· ......
ZT:http://www.ruanyifeng.com/blog/2010/05/object-oriented_javascript_inheritance.html
ÉÏÒ»´ÎµÄÎÄÕ£¬Ö÷Òª½éÉÜÁËÈçºÎ"·â×°"Êý¾ÝºÍ·½·¨£¬´ÓÔÐͶÔÏóÉú³ÉʵÀý¡£
½ñÌìÒª½éÉܵÄÊÇ£¬¶à¸öÔÐͶÔÏóÖ®¼äÈçºÎ"¼Ì³Ð"¡£
±ÈÈ磬ÏÖÔÚÓÐÒ»¸ö"¶¯Îï"¶ÔÏó£¬
¡¡¡¡function Animal(){
¡¡¡¡¡¡¡¡this.species = "¶¯Îï";
¡¡¡¡}
»¹ÓÐ ......
1. document.formName.item("itemName") ÎÊÌâ
˵Ã÷:IEÏÂ,¿ÉÒÔʹÓÃdocument.formName.item("itemName")»òdocument.formName.elements["elementName"];
FirefoxÏÂ,Ö»ÄÜʹÓÃdocument.formName.elements["elementName"].
½â¾ö·½·¨:ͳһʹÓÃdocument.formName.elements["elementName"].
2.¼¯ºÏÀà¶ÔÏóÎÊÌâ
˵Ã÷:IEÏÂ,¿É ......
Dynamic Scopes ¶¯Ì¬×÷ÓÃÓò
Both the with statement and the catch clause of a try-catch statement, as well as a function containing eval_r(), are all considered to be dynamic scopes. A dynamic scope is one that exists only through execution of code and therefore cannot be det ......
Cloning Nodes ½Úµã¿Ë¡
Another way of updating page contents using DOM methods is to clone existing DOM elements instead of creating new ones—in other words, using element.cloneNode() (where element is an existing node) instead of document.createElement().
&nbs ......