JavaScriptÖеÄdocument.cookieµÄʹÓÃ
ÎÒÃÇÒѾ֪µÀ£¬ÔÚ document ¶ÔÏóÖÐÓÐÒ»¸ö cookie ÊôÐÔ¡£µ«ÊÇ Cookie ÓÖÊÇʲô£¿“ijЩ Web Õ¾µãÔÚÄúµÄÓ²ÅÌÉÏÓúÜСµÄÎı¾Îļþ´æ´¢ÁËһЩÐÅÏ¢£¬ÕâЩÎļþ¾Í³ÆÎª Cookie¡£”—— MSIE °ïÖú¡£Ò»°ãÀ´Ëµ£¬Cookies ÊÇ CGI »òÀàËÆ£¬±È HTML ¸ß¼¶µÄÎļþ¡¢³ÌÐòµÈ´´½¨µÄ£¬µ«ÊÇ javascript Ò²ÌṩÁË¶Ô Cookies µÄºÜÈ«ÃæµÄ·ÃÎÊȨÀû¡£
¡¡¡¡ÎÒÃÇÏÈҪѧһѧ Cookie µÄ»ù±¾ÖªÊ¶¡£
¡¡¡¡Ã¿¸ö Cookie ¶¼ÊÇÕâÑùµÄ£º<cookieÃû>=<Öµ>
¡¡¡¡<cookieÃû>µÄÏÞÖÆÓë javascript µÄÃüÃûÏÞÖÆ´óͬСÒ죬ÉÙÁË“²»ÄÜÓà javascript ¹Ø¼ü×Ö”£¬¶àÁ˓ֻÄÜÓÿÉÒÔÓÃÔÚ URL ±àÂëÖеÄ×Ö·û”¡£ºóÕ߱ȽÏÄѶ®£¬µ«ÊÇÖ»ÒªÄãÖ»ÓÃ×ÖĸºÍÊý×ÖÃüÃû£¬¾ÍÍêȫûÓÐÎÊÌâÁË¡£<Öµ>µÄÒªÇóÒ²ÊǓֻÄÜÓÿÉÒÔÓÃÔÚ URL ±àÂëÖеÄ×Ö·û”¡£
¡¡¡¡Ã¿¸ö Cookie ¶¼ÓÐʧЧÈÕÆÚ£¬Ò»µ©µçÄÔµÄʱÖÓ¹ýÁËʧЧÈÕÆÚ£¬Õâ¸ö Cookie ¾Í»á±»É¾µô¡£ÎÒÃDz»ÄÜÖ±½ÓɾµôÒ»¸ö Cookie£¬µ«ÊÇ¿ÉÒÔÓÃÉ趨ʧЧÈÕÆÚÔçÓÚÏÖÔÚʱ¿ÌµÄ·½·¨À´¼ä½ÓɾµôËü¡£
¡¡¡¡Ã¿¸öÍøÒ³£¬»òÕß˵ÿ¸öÕ¾µã£¬¶¼ÓÐËü×Ô¼ºµÄ Cookies£¬ÕâЩ Cookies Ö»ÄÜÓÉÕâ¸öÕ¾µãϵÄÍøÒ³À´·ÃÎÊ£¬À´×ÔÆäËûÕ¾µã»òͬһվµãÏÂδ¾ÊÚȨµÄÇøÓòµÄÍøÒ³£¬ÊDz»ÄÜ·ÃÎʵġ£Ã¿Ò»“×é”Cookies Óй涨µÄ×Ü´óС£¨´óÔ¼ 2KB ÿ“×锣©£¬Ò»³¬¹ý×î´ó×Ü´óС£¬Ôò×îÔçʧЧµÄ Cookie Ïȱ»É¾³ý£¬À´ÈÃÐ嵀 Cookie“°²¼Ò”¡£
¡¡¡¡ÏÖÔÚÎÒÃÇÀ´Ñ§Ï°Ê¹Óà documents.cookie ÊôÐÔ¡£
¡¡¡¡Èç¹ûÖ±½ÓʹÓà documents.cookie ÊôÐÔ£¬»òÕß˵£¬ÓÃijÖÖ·½·¨£¬ÀýÈç¸ø±äÁ¿¸³Öµ£¬À´»ñµÃ documents.cookie µÄÖµ£¬ÎÒÃǾͿÉÒÔÖªµÀÔÚÏÖÔÚµÄÎĵµÖÐÓжàÉÙ¸ö Cookies£¬Ã¿¸ö Cookies µÄÃû×Ö£¬ºÍËüµÄÖµ¡£ÀýÈ磬ÔÚijÎĵµÖÐÌí¼Ó“document.write(documents.cookie)”£¬½á¹ûÏÔʾ£º
name=kevin; email=kevin@kevin.com; lastvisited=index.html
ÕâÒâζ×Å£¬Îĵµ°üº¬ 3 ¸ö Cookies£ºname, email ºÍ lastvisited£¬ËüÃǵÄÖµ·Ö±ðÊÇ kevin, kevin@kevin.com ºÍ index.html¡£¿ÉÒÔ¿´µ½£¬Á½¸ö Cookies Ö®¼äÊÇÓ÷ֺźͿոñ¸ô¿ªµÄ£¬ÓÚÊÇÎÒÃÇ¿ÉÒÔÓà cookieString.split('; ') ·½·¨µÃµ½Ã¿¸ö Cookie ·Ö¿ªµÄÒ»¸öÊý×飨ÏÈÓà var cookieString = documents.cookie£©¡£
¡¡¡¡É趨һ¸ö Cookie µÄ·½·¨ÊÇ¶Ô documents.cookie ¸³Öµ¡£ÓëÆäËüÇé¿öϵĸ³Öµ²»Í¬£¬Ïò documents.cookie ¸³Öµ²»»áɾ³ýµôÔÓÐµÄ Cookies£¬¶øÖ»»áÔöÌí Cookies »ò¸ü¸ÄÔÓÐ Cook
Ïà¹ØÎĵµ£º
»ÆÉ«²¿·ÖΪdate.js
<script type="text/javascript" src="/js/date.js"></script>
<input name="date" type="text" id="date" onBlur="checkDay(this)" style="width:160px;" /><INPUT class="button" style="WIDTH: 64px; HEIGHT: 24px" onClick="setday(this,date)"type="button" value="Ñ¡ÔñÈÕÆÚ ......
1.Îı¾¿ò
1.1 <input type="text" name="test" id="test">
ͨ¹ývar t=document.getElementById("test").value°ÑÖµ¸³¸ø±äÁ¿t,
1.2 µ±È»Ò²¿ÉÒÔ·´¹ýÀ´°ÑÒÑÖªµÄ±äÁ¿Öµ¸³¸øÎı¾¿ò£¬ÀýÈ磺
var m = "5";
document.getElementById("test").value= m;
2.ÏÂÀÁбí¿ò
2.1 <select name="sel" id="sel" onchange ......
ÓÃJavascriptÈ¡floatÐÍСÊýµãºóÁ½Î»£¬Àý22.127456È¡³É22.13,ÈçºÎ×ö£¿
1. ×µÄ°ì·¨....... [ÎÒ¾ÍÔõô¸ÉµÄ.........]
function get()
{
var s = 22.127456 + "";
var str = s.substring(0,s.indexOf(".") + 3);
alert(str);
}
2. ÕýÔò±í´ïʽЧ¹ ......
<P>JScript ÖеÄÔËËã·ûÓÅÏȼ¶ÊÇÒ»Ì×¹æÔò¡£¸Ã¹æÔòÔÚ¼ÆËã±í´ïʽʱ¿ØÖÆÔËËã·ûÖ´ÐеÄ˳Ðò¡£¾ßÓнϸßÓÅÏȼ¶µÄÔËËã·ûÏÈÓڽϵÍÓÅÏȼ¶µÄÔËËã·ûÖ´ÐС£ÀýÈ磬³Ë·¨µÄÖ´ÐÐÏÈÓÚ¼Ó·¨¡£</P>
<P>ÏÂ±í°´´Ó×î¸ßµ½×îµÍµÄÓÅÏȼ¶Áгö JScript ÔËËã·û¡£¾ßÓÐÏàͬÓÅÏȼ¶µÄÔËËã·û°´´Ó×óÖÁÓÒµÄ˳ÐòÇóÖµ¡£</P>
<DIV ......