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

Javascriptʱ¼ä²î¼ÆË㺯Êý

JavaScriptʱ¼ä²î¼ÆË㺯Êý
<mce:script language="javascript"><!--
Date.prototype.dateDiff = function(interval,objDate){
//Èô參數²»×ã»ò objDate ²»ÊÇÈÕÆÚÎï¼þ則»Ø傳 undefined
if(arguments.length<2||objDate.constructor!=Date) return undefined;
switch (interval) {
//計ËãÃë²î
case "s":return parseInt((objDate-this)/1000);
//計Ëã·Ö²î
case "n":return parseInt((objDate-this)/60000);
//計Ëã時²î
case "h":return parseInt((objDate-this)/3600000);
//計ËãÈÕ²î
case "d":return parseInt((objDate-this)/86400000);
//計Ëã週²î
case "w":return parseInt((objDate-this)/(86400000*7));
//計ËãÔ²î
case "m":return (objDate.getMonth()+1)+((objDate.getFullYear()-this.getFullYear())*12)-(this.getMonth()+1);
//計ËãÄê²î
case "y":return objDate.getFullYear()-this.getFullYear();
//輸ÈëÓÐ誤
default:return undefined;
}
}
// --></mce:script>
ºô½Ð´Ë·½·¨µÄ範ÀýÈçÏÂ:
<mce:script language="javascript"><!--
var sDT = new Date("2004/05/20 07:30:00");
var eDT = new Date("2005/05/20 08:32:02");
document.writeln("Ãë²î : "+sDT.dateDiff("s",eDT)+"<br>");
document.writeln("·Ö²î : "+sDT.dateDiff("n",eDT)+"<br>");
document.writeln("時²î : "+sDT.dateDiff("h",eDT)+"<br>");
document.writeln("ÈÕ²î : "+sDT.dateDiff("d",eDT)+"<br>");
document.writeln("週²î : "+sDT.dateDiff("w",eDT)+"<br>");
document.writeln("Ô²î : "+sDT.dateDiff("m",eDT)+"<br>");
document.writeln("Äê²î : "+sDT.dateDiff("y",eDT)+"&l


Ïà¹ØÎĵµ£º

JavaScriptͦÈë·þÎñÆ÷¶Ë¿ª·¢ÓïÑÔÐòÁÐ

Ô­ÎÄÁ´½Ó£ºJavaScript: Its Not Just for Browsers Any More
Node.jsÊÇÒ»Ì×ÓÃÀ´±àд¸ßÐÔÄÜÍøÂç·þÎñÆ÷µÄJavaScript¹¤¾ß°ü£¬Ò»ÏµÁеı仯ÓÉ´Ë¿ªÊ¼¡£
Ò²ÐíÄ㻹²»ÖªµÀ£¬JavaScriptÏÖÔÚÒѾ­³ÉÁËÒ»Ãſɱàд³öЧÂʼ«¸ßµÄ¡¢¿ÉÓÃÓÚ¿ª·¢²úÆ·¼¶web·þÎñÆ÷µÄ³öÉ«ÓïÑÔ¡£Æð³õÎÒÒ²²»ÏàÐÅ£¬µ«2009 ÄêÆô¶¯µÄÁ½¸öÏîÄ¿ÈÃÕâ³ÉΪ¿ÉÄÜ£ºCommonJSº ......

JavaScript ÖÐʹÓà replace ´ïµ½ replaceAllµÄЧ¹û

·½·¨£º string.replace(new RegExp(oldString,"gm"),newString))
gm  g=global, m=multiLine£¬´óÖÂÉÏ·½·¨¾ÍÊÇÕâÑùµÄ£¬¿ÉÒÔʵÏÖÌæ»»È«²¿Ö¸¶¨×Ö´®
ÁíÒ»¸ö¼òµ¥µÄÑéÖ¤JSµÄ·½·¨£º
ÔÚä¯ÀÀÆ÷µØÖ·À¸ÊäÈë
javascript:alert("abcabcabc".replace(new RegExp("a","gm"),"ad&quo ......

JavaScriptʵÏÖÖÐÎÄתƴÒô

1¡¢ÎÊÌâ±³¾°£º
ÔÚ×öÏîĿʱºòÓöµ½Ò»¸öССµÄÏÔʾ¿Í»§²¿ÃÅÃû³Æ£¨Æ´Òô£©µÄÒµÎñ£¬¾ÍÊÇÔÚ²¿ÃÅÃû³ÆÏÂÓÐÏàÓ¦µÄÆ´Òô£¬¶øÔÚÏÖÓеÄÊý¾Ý¿âÖÐûÓÐÏàÓ¦×ֶΣ¬²¢ÇÒ²¿ÃÅÊýÁ¿±È½Ï¶à£¬Ìí¼ÓÆðÀ´±È½Ï·Ñʱ£¬¾ÍÏëÄÜ·ñÔÚjsÖÐʵÏÖ£¬ÔÚÒ³ÃæÖд¦Àí¡£
2¡¢Ô­ÀíÃèÊö
³ÌÐòÔ­ÀíºÜ¼òµ¥£¬ÍøÉÏ¿ÉÒÔÕÒµ½ºº×ÖÆ´ÒôµÄÊý¾Ý×ֵ䣬µ«ÊÇÓÉÓÚ´ó¼Ò¶¼ÖªµÀGB2312±àÂëÀï ......

ÍêÃÀµÄËõ·ÅͼƬµÄ javascript ´úÂë¡£

ÔÚ×öÍøÕ¾µÄʱºò£¬ÎÒÃǾ­³£ÐèÒª¶Ô³ß´ç³¬±êµÄͼƬ½øÐÐËõ·Å¡£
ÓÉÓÚä¯ÀÀÆ÷µÄ²îÒ죬ÓÐЩ´úÂëijЩä¯ÀÀÆ÷¹¤×÷²»Õý³£¡£
¾­¹ýÑо¿µÃµ½ÁËÒÔϵĴúÂ룬Ëü¿ÉÒÔÔÚIE6,IE8,FireFoxÖÐÍêÃÀµØ°´±ÈÀýËõ·ÅͼƬ¶ø²»Ê§Õæ¡£
//¸Ä±äͼƬ´óС
function resizepic(o)
{
var maxwidth=550;   //¶¨Òå×î´ó¿í¶È
var maxheight=800;&nbs ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ