Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Javascriptº¯ÊýÀàÐÍÅжÏÍêÃÀ½â¾ö·½°¸


Javascriptº¯ÊýÀàÐÍÅжÏÍêÃÀ½â¾ö·½°¸
ÔÚÅжϺ¯ÊýÀàÐÍʱ£¬ÎÒÃÇͨ³£Ê¹ÓÃtypeof·½·¨£¬Ò»°ãÇé¿öÏ£¬Ëü»áµÃµ½ÎÒÃÇËùÔ¤ÏëµÄЧ¹û¡£µ«ÊÇ£¬ÓÐһЩϸ½Ú²¢²»ÎªÎÒÃÇËùÊìÖª¡£John Resig ÔÚ·ÖÎöÁËÕâЩϸ½ÚÖ®ºó£¬ÎªÎÒÃÇÌṩÁËÒ»¸öÍêÃÀµÄ½â¾ö·½°¸£¬±¾ÎĽ«×÷Ïêϸ½éÉÜ£º
Ò»¡¢´«Í³·½·¨²»ÎªÈËËùÖªµÄϸ½Ú
ºÁÎÞÒÉÎÊ£¬ÔÚÅжϺ¯ÊýÀàÐÍʱ£¬ÎÒÃÇʹÓõÄÊÇtypeof·½·¨£¬±ÈÈ磺
function fn(){
//content
}
alert(typeof fn)//½á¹ûÊÇ"function"¡£
µ«ÊÇ£¬¸Ã·½·¨ÔÚһЩä¯ÀÀÆ÷Öв¢²»ÊÇÏñÎÒÃÇÏëÏñµÄÄÇÑù¹¤×÷¡£
1¡¢Firefox2ºÍFirefox3
ÔÚÕâÁ½¸öä¯ÀÀÆ÷ÖУ¬ÓÃtypeof¼ì²âHTML¶ÔÏóÔªËصÄÀàÐÍ£¬µÃµ½ÊÇÒ»¸ö²»¾«È·µÄ“function”½á¹û£¬¶ø²»ÊÇ“object”£¬ÈçHTMLDocument¡£È磺
alert(typeof HTMLDocument);
//ÔÚFirefox2Öнá¹ûÊÇ"function";
//ÔÚFirefox3Öнá¹ûÊÇ"object";
2¡¢Firefox2
¶ÔÓÚÕýÔò±í´ïʽ£¬ÔÚ¸Ãä¯ÀÀÆ÷Öзµ»ØµÄ½á¹ûÊÇ“function”(ÔÚFirefox3Öнá¹ûÊÇ“object”)£¬È磺
var reg = /test/;
alert(typeof reg);
//ÔÚFirefox2Öнá¹ûÊÇ"function";
//ÔÚFirefox3Öнá¹ûÊÇ"object";
×¢£º±¾ÈËÔÚsafariÖвâÊÔ£¬Æä½á¹ûÒ²ÊÇ“function”¡£
3¡¢IE6ºÍIE7
ÔÚIEÖжÔDOMÔªËØʹÓÃtypeof·½·¨£¬µÃµ½µÄ½á¹ûÊÇ“object”¡£È磺
alert(typeof document.getElementsByTagName("body")[0].getAttribute);
//½á¹ûÊÇ"object"
4¡¢Safari 3
safariÈÏΪDOMÔªËصÄNodeListÊÇÒ»¸öº¯Êý£¬È磺
alert(typeof document.body.childNodes);
//½á¹ûÊÇ"function"
ºÜÃ÷ÏÔ£¬Èç¹ûÄãÒª²âÊÔÒ»¸ö¶ÔÏóÊÇ·ñΪº¯Êý£¬Ê¹ÓÃtypeof·½·¨²¢²»ÄÜ´ÓÕæÕýÒâÒåÉϱ£Ö¤²âÊÔ½á¹û¡£ÄÇô£¬ÎÒÃǾÍÐèÒªÒ»ÖÖÔÚËùÓÐä¯ÀÀÆ÷Öж¼Äܱ£Ö¤²âÊÔ
½á¹ûµÄ½â¾ö·½°¸¡£ÎÒÃÇÖªµÀfunction±¾ÉíÓÐapply()ºÍcall()Á½ÖÖ·½·¨£¬µ«ÕâÁ½¸ö·½·¨ÔÚIEÖдæÔÚÎÊÌâµÄº¯ÊýÖв¢²»´æÔÚ£¬ÊÔÊÔÏÂÃæµÄ²â
ÊÔ£º
alert(typeof document.getElementsByTagName("body")[0].getAttribute.call)
//ÔÚIEÖнá¹ûÊÇ"undefined"
ÏÔÈ»£¬ÎÒÃDz»ÄÜÀûÓÃÕâÁ½¸ö·½·¨¡£
¶þ¡¢ÍêÃÀ½â¾ö·½°¸¼°ÊµÏÖ¹ý³Ì
John ResigΪÎÒÃÇÌṩÁËÒ»¸öÍêÃÀµÄ½â¾ö·½°¸£¬Õâ¸ö¸´ÔÓµ«ºÜÎȶ¨µÄÅжÏÒ»¸ö¶ÔÏóÊÇ·ñΪº¯ÊýµÄ·½·¨ÈçÏ£º
function isFunction( fn ) {
return !!fn && !fn.nodeName && fn.constructo


Ïà¹ØÎĵµ£º

javascript²Ù×÷cookies ÒÔ¼°ÕýȷʹÓÃcookiesµÄÊôÐÔ

ÔÚ JS(JavaScript) ²Ù×÷cookies±È½Ï¸´ÔÓ£¬ÔÚ ASP ÀïÃæÎÒÃÇÖ»ÐèÒªÖªµÀ cookie µÄÃû³Æ¡¢cookie µÄÖµ¾ÍÐÐÁË£¬¶ø JS ÀïÃ棬ÎÒÃÇÃæ¶ÔµÄÊÇ cookie µÄ×Ö·û´®£¬Äã×Ô¼º±àдÕâ¸ö×Ö·û´®Ð´Èë¿Í»§¶Ë£¬È»ºó×Ô¼º½âÎöÕâ¸ö×Ö·û´®¡£
¡¡¡¡Ò»¡¢´Óд cookie ˵Æð¡£
var the_date = new Date("December 31, 2020");
var expiresDate ......

ÓÃAcrobat JavaScript¹Ø±ÕPDF

function openCheck()
{
if (!this.external)
{
app.alert("Acrobat¤Ç¤Ï実ÐФǤ­¤Þ¤»¤ó");
this.closeDoc(true);
// var myDoc = event.target;
// myDoc.closeDoc(true);
}
}
openCheck();
 
ÐèҪעÒâµÄÊÇ:
1. ÉÏÊöµÄsourceÖ»ÄÜÔÚPDF ÓÃAcrobat Reader´ò¿ªÊ±²ÅÆð×÷ÓÃ,
ÈçÓÃIEµÈ´ò¿ªÊ±»á±¨¡¸NotSu ......

ת JavaScriptµ÷ÓÃWebServices(ʹÓÃWebService.htc)

.XML Web services ÐÐΪʹ¿Í»§¶Ë½Å±¾Äܹ»µ÷ÓÃÓÉ Microsoft .NET XML Web services »òÆäËûÖ§³Ö¼òµ¥¶ÔÏó·ÃÎÊЭÒé (SOAP) µÄ Web ·þÎñÆ÷¹«¿ªµÄÔ¶³Ì·½·¨¡£
Ä¿µÄ£ºÌṩһÖÖ¼òµ¥µÄ·½·¨Ê¹ÓúÍÀûÓà SOAP£¬¶ø²»Ðè¾ßÓÐ SOAP ʵÏÖµÄרҵ֪ʶ¡£
²½Ö裺
1.ÏÂÔØWebservice.htc,Ðí¶àÍøÉϵÄÎÄÕ½éÉܸÃÎļþ¿ÉÒÔÔÚ΢ÈíµÄÍøÕ¾ÉÏÕÒµ½£¬µ«ÎÒ°´ ......

javascriptÖжÔÖÐÎĽøÐбàÂë½âÂëµÄ·½Ê½

ÖÐÎıàÂ룺
 function upload() {
  var form = document.getElementById('topic');
  if ($('uploadfile').value == "") {
   alert("ÇëÑ¡ÔñÎļþ£¡");
   return;
  } 
  $('uploadfile').value = escape($('uploadfile').value) ......

javascriptµÄϵͳº¯Êý

javascriptµÄϵͳº¯Êý
1£¬encodeURI·½·¨
     ·µ»Ø¶ÔÒ»¸öURI×Ö·û´®±àÂëÖеĽá¹û£¬±¾ÖÊÊÇUTF-8±àÂë
     eg:
     var urlStr = encodeURI('http://fanli.qq.com/index.html?a=ddd&msg=Öйú');
     alert(urlStr);
2, decodeUR ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ