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

JavaScript ÕÚÕֲ㠵¯³ö¿ò

<script type="text/javas
cript">
var docEle = function() {
    return document.getElementById(arguments[0]) || false;
}
function openNewDiv(_id){
    var m = "mask";
    if (docEle(_id)) document.body.removeChild(docEle(_id));
    if (docEle(m)) document.body.removeChild(docEle(m));
    //maskÕÚÕÖ²ã
    var newMask = document.createElement("div");
    newMask.id = m;
    newMask.style.position = "absolute";
    newMask.style.zIndex = "1";
    _scrollWidth = Math.max(document.body.scrollWidth,document.documentElement.scrollWidth);
    _scrollHeight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
    newMask.style.width = _scrollWidth + "px";
    newMask.style.height = _scrollHeight + "px";
    newMask.style.top = "0px";
    newMask.style.left = "0px";
    newMask.style.background = "yellow";
    newMask.style.filter = "alpha(opacity=40)";
    newMask.style.opacity = "0.40";
    document.body.appendChild(newMask);
    //е¯³ö²ã
    var newDiv = document.createElement("div");
    newDiv.id = _id;
    newDiv.style.position = "absolute";
    newDiv.style.zIndex = "9999";
    newDivWidth = 400;
    newDivHeight = 200;
    newDiv.style.width = newDivWidth + "px";
    newDiv.style.height = newDivHeight + "px";
    newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + &quo


Ïà¹ØÎĵµ£º

JavaScript¾«´â¶ÁÊé±Ê¼Ç(5)

µÚ5ÕÂ
 
¼Ì³Ð
ÔÚÄÇЩ»ùÓÚÀàµÄÓïÑÔ£¨±ÈÈç
Java
£©ÖУ¬¼Ì³Ð£¨
inheritance
»ò
extends
£©ÌṩÁËÁ½¸öÓÐÓõķþÎñ¡£Ê×ÏÈ£¬ËüÊÇ´úÂëÖØÓõÄÒ»ÖÖÐÎʽ¡£Èç¹ûÒ»¸öеÄÀàÓëÒ»¸öÒÑ´æÔÚµÄÀà´ó²¿·ÖÏà
ËÆ£¬ÄÇôÄãÖ»Ðë¾ßÌå˵Ã÷Æä²»Í¬µã¼´¿É¡£Àà¼Ì³ÐµÄÁíÒ»¸öºÃ´¦ÊÇËü°üÀ¨ÁËÒ»Ì×ÀàÐÍϵͳµÄ¹æ·¶¡£ÓÉÓÚ³ÌÐòÔ±ÎÞÐë±àдÏÔʽÀàÐÍת ......

JavaScript¾«´â¶ÁÊé±Ê¼Ç(2)

http://blog.csdn.net/mouyong/archive/2009/10/04/4631665.aspx
Èç¹ûÄãÏë¼ÓÔ­×÷ÕßΪºÃÓÑ£ºÇëµã»÷ÒÔÏÂÁ´½Óhttp://hi.csdn.net/invite.php?u=8943&c=759c7fc189ea23c1
 
µÚ2Õ      Óï·¨
±¾Õ½éÉÜJavaScriptµÄ¾«»ª²¿·ÖµÄÓï·¨£¬²¢¼òÒªµØ¸ÅÊöÆäÓïÑԽṹ¡£
2.1   & ......

JavaScript¾«´â¶ÁÊé±Ê¼Ç(4)


http://blog.csdn.net/mouyong/archive/2009/12/07/4959741.aspx
µÚ4Õ  º¯Êý
JavaScriptÖÐ×îºÃµÄÌØÐÔ¾ÍÊÇËü¶Ôº¯ÊýµÄʵÏÖ¡£Ëü¼¸ºõÎÞËù²»ÄÜ¡£µ«ÊÇ£¬Ïë±ØÄãÒ²ÄÜÔ¤Áϵ½£¬º¯ÊýÔÚJavaScriptÀïÒ²²¢·ÇÍòÄÜÒ©¡£
º¯Êý°üº¬Ò»×éÓï¾ä£¬ËüÃÇÊÇJavaScriptµÄ»ù´¡Ä£¿éµ¥Ôª£¬ÓÃÓÚ´úÂ븴Óá¢ÐÅÏ¢Òþ²ØºÍ×éºÏµ÷Ó᣺¯ÊýÓÃÓÚÖ¸¶¨¶ ......

JavaScript¾«´â¶ÁÊé±Ê¼Ç(9)

http://blog.csdn.net/mouyong/archive/2010/03/10/5364047.aspx
µÚ9Õ  ´úÂë·ç¸ñ
¼ÆËã»ú³ÌÐòÊÇÈËÀàÖÆÔì³öÀ´µÄ×ÔÓµÄÊÂÎï¡£³ÌÐòͨ³£Óɺܶಿ·Ö×é³É£¬±íÏÖΪº¯Êý¡¢Óï¾äºÍ±í´ïʽ£¬ËüÃDZØÐë׼ȷÎÞÎ󵨰´ÕÕ˳ÐòÅÅÁС£×îÖյĽá¹û¼¸ºõ¶¼ºÍʵÏÖËüµÄ³ÌÐòûÓÐʲôÏàËÆÖ®´¦¡£ÔÚÈí¼þµÄ²úÆ·ÉúÃüÖÜÆÚÖУ¬Í¨³£ËüÃǶ¼»á±»ÐÞ¸ ......

[¶­î£]javascriptÖеÄÊý¾ÝÀàÐÍ¡¢ObjectÓëFunction

1. Êý¾ÝÀàÐÍ
javascriptÖаüº¬6ÖÖÊý¾ÝÀàÐÍ£ºundefined¡¢null¡¢string¡¢number¡¢booleanºÍobject¡£ÆäÖУ¬Ç°5
ÖÖÊÇԭʼÊý¾ÝÀàÐÍ£¬objectÊǶÔÏóÀàÐÍ¡£
objectÀàÐÍÖаüÀ¨Object¡¢Function¡¢String¡¢Number¡¢Boolean¡¢Array¡¢Regexp¡¢Date¡¢
Globel¡¢Math¡¢Error£¬ÒÔ¼°ËÞÖ÷»·¾³ÌṩµÄobjectÀàÐÍ¡£
2. ÀàÐÍÅжÏ
ͨ³£ÔÚjav ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ