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ÓÃJavascriptÖÆ×÷Õ¾ÄÚËÑË÷Æ÷

ÓÃJavaScript×öµÄÕ¾ÄÚËÑË÷²»½ö±à³ÌʵÏÖ¡¢Î¬»¤ÆðÀ´ºÜ¼òµ¥£¬¶øÇÒËüÄÜÔÚ¿Í»§¶Ëä¯ÀÀÆ÷Ö±½ÓÖ´ÐУ¬ÎÞÐë·þÎñÆ÷µÄÖ§³Ö£¬Ò²¿ÉÒÔʡȥÉêÇëÓнű¾Ö´ÐÐȨÏÞ¿Õ¼äµÄÂé·³¡£ËùÒÔ£¬Ö»ÒªÄãÔ¸Ò⶯ÊÖ£¬ÓиöÈËÖ÷Ò³¾ÍÄÜÓÐ×Ô¼ºµÄÕ¾ÄÚËÑË÷¡£ÏÂÃæÈÃÎÒÃǹ²Í¬À´×öÒ»¸ö»ùÓÚJavaScriptµÄÕ¾ÄÚËÑË÷µÄ½Å±¾£¬¿É²»ÒªÐ¡¿´Ëü£¬×öÍêÁËÄã¾ÍÖªµÀËüµÄºÃ´¦ÁË¡£
 
   Ê×ÏÈ£¬ÄãÒª±àдһ¸öËÑË÷±íµ¥£¬½«Óû§ÒªËÑË÷µÄÊý¾ÝÌá½»¸øJavaScriptº¯Êý¡£×î¼òµ¥µÄ´úÂëÈçÏ£¬ÒòΪÊÇ×î¼òµ¥µÄHTML´úÂ룬ËùÒԾͲ»×÷½âÊÍÁË£º
<form name="search" onsubmit="goSearch(this)">
<input type="text" size="22" name="searchStr" value="¶à¸ö¹Ø¼ü×ÖÇëÒÔ¿Õ¸ñ¸ô¿ª" onmouseover="this.focus()" onfocus="this.select()">
<select name="select" size="1">
<option selected>»òÕß(or)</option>
<option>²¢ÇÒ(and)</option>
<option selected>²»°üº¬(no)</option>
</select>
<input type="submit" name="submit" value="ËÑË÷">
</form>
Æä´Î£¬Òª¶ÔÄãµÄÕ¾µãµÄÊý¾Ý³õʼ»¯¡£ÕâÊÇËÑË÷ʱҪÓõ½µÄÊý¾Ý¿â£¬Õ¾µã¸üÐÂÖ»Òª¸ü¸ÄÕâЩÊý¾Ý¾ÍÐÐÁË¡ ......

DHTML (JavaScript Dom ±à³ÌÒÕÊõ)

 DHTMLÊÇ""dynamic HTML"(¶¯Ì¬HTML)µÄ¼ò³Æ.ÑϸñµØËµ,DHTML²¢²»ÊÇÒ»Ïîµ¥Ò»µÄм¼Êõ,¶øÊÇHTML,CSSºÍJavaScriptÕâÈýÖÖ¼¼Êõ½áºÏµÄ²úÎï.
DHTML±³ºóµÄº¬Òå:
           ÀûÓÃHTML°ÑÍøÒ³±ê¼ÇΪ¸÷ÖÖÔªËØ;
           ÀûÓÃCSSÉè¼Æ¸÷ÖÖÓйØÔªËصÄÅŰæÑùʽ²¢È·¶¨ËüÃÇÔÚ´°¿ÚÖеÄÏÔʾλÖÃ;
           ÀûÓÃJavaScriptʵʱµØ²Ù×ݺ͸ıä¸÷ÖÖÓйØÑùʽ.
 DOM ÊÇÒ»ÖÖAPI(Ó¦ÓóÌÐò½Ó¿Ú).¼òµ¥µÄ˵,API¾ÍÊÇÒ»×éÒѾ­µÃµ½Óйظ÷·½¹²Í¬ÈϿɵĻù±¾Ô¼¶¨. ......

JavaScript »ñÈ¡¿Í»§¶Ë¼ÆËã»úÓ²¼þ¼°ÏµÍ³ÐÅÏ¢

JavaScript »ñÈ¡¿Í»§¶Ë¼ÆËã»úÓ²¼þ¼°ÏµÍ³ÐÅÏ¢
ͨ¹ýWMIÀ´ÊµÏÖ»ñÈ¡¿Í»§¶Ë¼ÆËã»úÓ²¼þ¼°ÏµÍ³ÐÅÏ¢:
1//ϵͳÐÅÏ¢»ñÈ¡
2function getSysInfo(){
3 var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
4 var service = locator.ConnectServer(".");
5 //CPUÐÅÏ¢
6 var cpu = new Enumerator (service.ExecQuery("SELECT * from Win32_Processor")).item();
7 var cpuType=cpu.Name,hostName=cpu.SystemName;
8 //ÄÚ´æÐÅÏ¢
9 var memory = new Enumerator (service.ExecQuery("SELECT * from Win32_PhysicalMemory"));
10 for (var mem=[],i=0; !memory.atEnd(); memory.moveNext())
mem[i++]={cap:memory.item().Capacity/1024/1024,speed:memory.item().Speed}
11 //ϵͳÐÅÏ¢
12 var system=new Enumerator (service.ExecQuery("SELECT * from Win32_ComputerSystem")).item();
13 var physicMenCap=Math.ceil(system.TotalPhysicalMemory/1024/1024),curUser=system.UserName,cpuCount=system.NumberOfProcessors
14
15 return {cpuType:cpuType,cpuCount:cpuCount,hostName:hostNa ......

¡ü¡ú40ÖÖÍøÒ³³£ÓÃС¼¼ÇÉ(javascript)¡û¡ý

 1. oncontextmenu="window.event.returnValue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)><td>no</table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡Ïûѡȡ¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
4. oncopy="return false;" oncut="return false;" ·ÀÖ¹¸´ÖÆ
5. <link rel="Shortcut Icon" href="favicon.ico"> IEµØÖ·À¸Ç°»»³É×Ô¼ºµÄͼ±ê
6. <link rel="Bookmark" href="favicon.ico"> ¿ÉÒÔÔÚÊղؼÐÖÐÏÔʾ³öÄãµÄͼ±ê
7. <input style="ime-mode:disabled"> ¹Ø±ÕÊäÈë·¨
8. ÓÀÔ¶¶¼»á´ø×Å¿ò¼Ü
<script language="JavaScript"><!--
if (window == top)top.location.href = "frames.htm"; //frames.htmΪ¿ò¼ÜÍøÒ³
// --></script>
9. ·ÀÖ¹±»ÈËframe
<SCRIPT LANGUAGE=JAVASCRIPT><!--
if (top.location != self.location)top.location=self.location;
// --></SCRIPT>
10. ÍøÒ³½«²»Äܱ»Áí´æÎª
<noscript><iframe src=*.html></iframe></noscript>
11. <input type=button value=²é¿´ÍøÒ³Ô´ ......

javascript object array string converter

 function object2String(obj)
{
var val, output = "";
if (obj)
{
output += "{";
for (var i in obj)
{
val = obj[i];
switch (typeof val)
{
case ("object"):if (val[0]){output += i + ":" + array2String(val) + ",";}else{output += i + ":" + object2String(val) + ",";}break;
case ("string"):output += i + ":'" + encodeURI(val) + "',";break;
default:output += i + ":" + val + ",";
}
}
output = output.substring(0, output.length-1) + "}";
}
return unescape(output);
}
function array2String(array)
{
var output = "";
if (array)
{
output += "[";
for (var i in array)
{
val = array[i];
switch (typeof val)
{
case ("object"):
if (val[0])
{output += array2String(val) + ",";}
else
{ ......

javaScriptÖÐparseIntº¯ÊýС½á

 Ç°¼¸Ìì×öÍøÕ¾µÄʱºòÐèÒª½²Êý¾Ý¿âÖеÄʱ¼ä¶ÁÈ¡µ½±äÁ¿ÖнøÐÐʹÓã¬Óõ½parseIntº¯Êý£¬½²×Ö·ûת»¯ÎªÊý×Ö¡£½ñÌì²âµÄʱºò·¢ÏÖÎÊÌâÁË£¬µ±Êý¾Ý¿âÖÐÔ·ÝΪ09µÄʱºò¾Í³öÎÊÌâÁË£¬ÓÃparseIntת»»Ö®ºó¾Í³É0ÁË¡£ºÃ²»½â¡£²âÁ˺þã¬Ã»Óз¢ÏÖÎÒ´úÂëÖеÄÎÊÌ⣬µ½googleËÑÁËһϣ¬²ÅÖªµÀÊÇÕâôһ»ØÊ¡£
¶ÔÓÚparseInt("01")µ½parseInt("07");parseInt("10") µ½ ÒÔºó¶¼Äܵõ½ÕýÈ·µÄ½á¹û£¬µ«Èç¹ûÊÇparseInt("08") »òparseInt("09")Ôò·µ»Ø0£» Ê×ÏÈ¿´parseIntÓï·¨£ºparseInt(string, radix); Èç¹ûºóÃæ²ÎÊýûд¾ÍÒÔµÚÒ»¸öµÄ¿ªÍ·ÅÐ¶ÏÆäÖÐstringΪҪת»»µÄ×Ö·û´®£¬radixΪ¶þ½øÖÆ£¬°Ë½øÖÆ£¬Ê®Áù½øÖÆ»òÊ®½øÖÆ¡£ ÔÚĬÈϲ»Ö¸¶¨radixʱ£¬µ±ÒÔ0x¿ª¹ØÊ±£¬ÎªÊ®Áù½øÖÆ£»Èç¹ûÒÔ0¿ª¹ØÇÒµÚ¶þλ²»Îªx,ÔòÈÃΪÊǰ˽øÖÆ£¬£¨ÒòΪ°Ë½øÖƲ»ÄÜÓÐ8£¬9ËùÒÔ±¨´í·µ»Ø0£©¡£ Èç¹ûÒÔ1¿ªÍ·¾ÍÒÔÊ®½øÖÆ£¬ËùÒÔ10ÒÔºó¾ÍÓÖÊǶԵÄÁËËùÒÔ£¬ÔÚÎÒÃÇÓÃʱ»¹ÊÇÃ÷È·Ö¸¶¨½øÎ»ÖÆ£¬ÒÔ·À³ö´í¡£ ÈçÎÒÃÇÆ½Ê±¶¼ÓÃÊ®½øÖÆÎ»£¬ÎÒÃÇ¾Í parseInt("08", 10);
ËùÒÔ£¬¾Í´íÁË£¬ÔÚÒÔºóÓõ½µÄʱºò×îºÃÔÚparseIntÕâ¸öº¯ÊýºóÃæ¼ÓÉϽøÖÆÊý£¬±£Ö¤²»³ö´í£¬²»È»£¬Óֵòî´íºÃ¼¸¸öСʱ¡££¡£¡£¡£¡£¡£¡£¡£¡£¡£¡ ......
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