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

À뿪»­ÃæÊ±µÄJavaScriptÈ·ÈÏÌáʾ

window.onbeforeunload = function (evt) {
var message = 'Are you sure you want to leave?';
if (typeof evt == 'undefined') {
evt = window.event;
}
if (evt) {
evt.returnValue = message;
}
return message;

onbeforeunload ʼþ²Î¿¼µØÖ·
http://msdn.microsoft.com/en-us/library/ms536907(VS.85).aspx


Ïà¹ØÎĵµ£º

js javascript:void(0) ÕæÕýº¬Òå

ÎÒÏëʹÓùýajaxµÄ¶¼³£¼ûÕâÑùµÄ´úÂ룺
<a href="javascript:doTest2();void(0);">here</a>
µ«Õâ¶ùµÄvoid(0)¾¿¾¹ÊǺκ¬ÒåÄØ£¿
JavascriptÖÐvoidÊÇÒ»¸ö²Ù×÷·û£¬¸Ã²Ù×÷·ûÖ¸¶¨Òª¼ÆËãÒ»¸ö±í´ïʽµ«ÊDz»·µ»ØÖµ¡£
void ²Ù×÷·ûÓ÷¨¸ñʽÈçÏ£º
1. javascript:void (expression)
2. javascript:void expression
expr ......

silverlightÓëjavascript½»»¥²Ù×÷

ÔÚsilverlight¿ª·¢ÖУ¬ÎÒÃÇ¿ÉÒÔʹÓÃjsÀ´µ÷ÓÃsilverlightÖеķ½·¨£¨µ±È»·½·¨ÉÏÒªÀ¦°óÏàÓ¦ÊôÐÔ£©£¬Ò²¿ÉÒÔ½«Ö¸¶¨
µÄjs·½·¨°ó¶¨µ½silverlightÓ¦ÓÃÖеÄʼþÉÏ£®±¾DEMOÑÝʾÁËͨ¹ýjsµ÷ÓÃÍê³ÉsilverlightÊý¾ÝÁÐ±í¿Ø¼þ(DataGrid)µÄÊý
¾Ý°ó¶¨²Ù×÷£¬²¢Í¨¹ýDataGridµÄEmployeeList_BeginningCellEditʼþ½«µ±Ç°Ñ¡È¡µÄÊý¾ÝÐÐÐÅÏ¢·µ»Øµ½ ......

JavaScriptµ÷ÊÔ·½·¨Ö®Ò»

ʹÓÃtry{...}catch(){}  ·½Ê½£¬Àý×ÓÈçÏ£º
function showAlarm(strObject){
try{
svgElement = document.getElementById(strObject);
svgElement.setAttribute("visibility","visible");
setTimeout("hideAlarm()",3000);//3Ãëºó½áÊø±¨¾¯
}catch(ex){
alert("º¯ÊýshowAlarm()·¢ÉúÒì³££º"+ex.descrip ......

Javascript¿ª·¢Ö®jsѹËõƪ

YUI Compressor ѹËõ JavaScript µÄÄÚÈݰüÀ¨£º
ÒÆ³ý×¢ÊÍ
ÒÆ³ý¶îÍâµÄ¿Õ¸ñ
ϸ΢ÓÅ»¯
±êʶ·ûÌæ»»£¨Identifier Replacement£©
YUI Compressor °üÀ¨ÄÄЩϸ΢ÓÅ»¯ÄØ£¿
object["property"] £¬Èç¹ûÊôÐÔÃûÊǺϷ¨µÄ JavaScript ±êʶ·û£¨×¢£ººÏ·¨µÄ JavaScript ±êʶ·û——ÓÉÒ»¸ö×Öĸ¿ªÍ·£¬ÆäºóÑ¡ÔñÐԵؼÓÉÏÒ»¸ö»òÕ ......

javascript: ÕýÔò±í´ïʽ

ÕýÔò±í´ïʽ
RegExp(regexp, option)ÀàʵÏÖ,¿ÉÒÔ¼òд³É/regexp/option
option:
g: global, i: ignore case
·½·¨:string.test(regexp),
string.exec(regexp)[·µ»ØËùÓÐÆ¥ÅäµÄµØ·½], string.serch(regexp)[ÕýÔò°æµÄindexOf()],
string.replace(regexp, str|funtion), string.split(regexp)
¼òµ¥Ä£Ê½
Ôª×Ö·û:( [ {
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ