Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

Javascript±äÁ¿×÷ÓÃÓò

ÇëÏÈ¿´ÏÂÌ⣺
if(true)
{
     a = 1;
}
alert(a);  //Êä³öɶ£¿
if(true)
{
    var a = 1; 
}
alert(a);  //ÕâÓÖÊä³öʲô£¿
ÔÚfirefox3.5Ï£¬µÚÒ»¸öÊä³ö1;µÚ¶þ¸öÊä³öundefined£¡£¡£¡
ÎªÉ¶ÄØ£¿ºÇºÇ£¬±¾ÈËÔڴ˰àÃÅŪ¸«Ò»Ï£º
Ò»°ãÇé¿öÏÂȱʡvarÉùÃ÷ʱ£¬Ä¬ÈϸñäÁ¿ÎªÈ«¾Ö±äÁ¿¡£Á˽âÕâ¾ä»°£¬ËùÓÐÎÊÌâÒ²¾ÍÓ­Èжø½âÁË£¡ºÇºÇ£¡
µÚÒ»µÀÌ⣺±äÁ¿aȱʡvarÉùÃ÷£¬¶øÖ±½ÓʹÓ㬹ʶøÄ¬ÈÏΪȫ¾Ö±äÁ¿£¬Êä³ö1
µÚ¶þµÀÌ⣺±äÁ¿a£¬ÔÚif¿éÖÐvarÉùÃ÷£¬Êô¾Ö²¿±äÁ¿£¬Êä³öundefined£¡


Ïà¹ØÎĵµ£º

javascriptЧÂʾ­Ñé̸(Ò»)

±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· ......

HTML+Javascript+XML


ÉÏÃæËù˵ÓйØHTMLµÄÄÚÈݷdz£ÉÙÓÖ¼òµ¥,µ«¶ÔÒѾ­Á˽âµÄÈËÀ´Ëµ¾ÍÊÇûÓõÄ.
ÈçÓÐÎÊÌâ¿Éµ½È¨ÍþÍø http://www.html.com/ Éϲ鿴
ÒÔÏ¿ªÊ¼ËµËµ¹ØÓÚXMLµÄһЩ֪ʶ.
XMLÒ²ÊDZê¼ÇÓïÑÔ,¿ÉËüÊÇ×Ô¶¨ÒåµÄ,ûÓÐÒѸø¶¨¸ñʽ.²»¾ßÌå˵Ëü,¸ø³öÀý×ӾͿÉÃ÷ÁË.
Èç
<NAME>TOM</NAME>
<SEX>M</SEX>
ÒÔÉÏÄÚÈݵÄ< ......

JavaScript ´´½¨Àà/¶ÔÏóµÄ¼¸ÖÖ·½Ê½

ÔÚJSÖУ¬´´½¨¶ÔÏó£¨Create Object£©²¢²»ÍêÈ«ÊÇÎÒÃÇʱ³£ËµµÄ´´½¨Àà¶ÔÏó£¬JSÖеĶÔÏóÇ¿µ÷µÄÊÇÒ»ÖÖ¸´ºÏÀàÐÍ£¬JSÖд´½¨¶ÔÏó¼°¶Ô¶ÔÏóµÄ·ÃÎÊÊǼ«ÆäÁé»îµÄ¡£
JS¶ÔÏóÊÇÒ»ÖÖ¸´ºÏÀàÐÍ£¬ËüÔÊÐíÄãͨ¹ý±äÁ¿Ãû´æ´¢ºÍ·ÃÎÊ£¬»»Ò»ÖÖ˼·£¬¶ÔÏóÊÇÒ»¸öÎÞÐòµÄÊôÐÔ¼¯ºÏ£¬¼¯ºÏÖеÄÿһÏî¶¼ÓÉÃû³ÆºÍÖµ×é³É£¨ÌýÆðÀ´ÊDz»ÊǺÜÏñÎÒÃdz£Ìý˵µÄHASH±í¡¢× ......

Ò»¼ÒÖ®ÑÔ£ºËµËµ JavaScript µÄÀà³ÉÔ±µÄ·ÃÎÊ¿ØÖÆ

¿´ÊéµÄʱºòÓöµ½ÕâÑùÒ»¸öÎÊÌ⣬³ÌÐò´úÂëÈçÏÂ
var ob = function(){
var obj = this;
function fn1(){
alert( obj === window );//false
alert( this === window );//ture
}
this.fn2 = function() {
fn1();
}

µ±Ê±ºÜ²»Ã÷°×fn1ÀïÃæµÚ¶þ¸öalertµÄ½á¹û£¬Îª ......

netÖÐǰ̨javascriptÓëºǫ́c#º¯ÊýÈçºÎÏ໥ͨÐÅ

C#´úÂëÓëjavaScriptº¯ÊýµÄÏ໥µ÷ÓÃ
ÎÊ£º
1.ÈçºÎÔÚJavaScript·ÃÎÊC#º¯Êý?
2.ÈçºÎÔÚJavaScript·ÃÎÊC#±äÁ¿?
3.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptµÄÒÑÓбäÁ¿?
4.ÈçºÎÔÚC#ÖзÃÎÊJavaScriptº¯Êý?
ÎÊÌâ1´ð°¸ÈçÏ£º
javaScriptº¯ÊýÖÐÖ´ÐÐC#´úÂëÖеĺ¯Êý£º
·½·¨Ò»£º1¡¢Ê×ÏȽ¨Á¢Ò»¸ö°´Å¥£¬ÔÚºǫ́½«µ÷Óûò´¦ÀíµÄÄÚÈÝдÈëbutton_clickÖÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ