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

JavaScriptÊý×ÖÑéÖ¤

×¢Òâ:×îºÃ²»ÒªÊ¹ÓÃisNaN()·½·¨,ÒòΪÈç¹ûÒ»¸ö×Ö·ûÊǿոñµÄÇé¿öÏÂ,ËüÒ²»á°ÑËüµ±³ÉÊý×Ö.Äã±ØÐë´¦Àí¿Õ¸ñµÄÎÊÌâÁË.
ºÇºÇ,Æäʵ´¦Àí¿Õ¸ñµÄÎÊÌâÒ²²»ÄÑ,¸ü¼òµ¥µÄ·½·¨´¦ÀíÊý×ÖÎÊÌâÈçÏÂ:
-------------
function isNumber(str){
    var mynumber="0123456789";
    for(var i=0;i<str.length;i++){
        var c=str.charAt(i);
        if(mynumber.indexOf(c)==-1){
            return false;
        }
    }
    return true;
}


Ïà¹ØÎĵµ£º

JavaScript »ñÈ¡¶ÔÏóµÄ¸ß¶ÈºÍ¿í¶ÈÏêϸ˵Ã÷

scrollHeight: »ñÈ¡¶ÔÏóµÄ¹ö¶¯¸ß¶È¡£
scrollLeft:ÉèÖûò»ñȡλÓÚ¶ÔÏó×ó±ß½çºÍ´°¿ÚÖÐĿǰ¿É¼ûÄÚÈݵÄ×î×ó¶ËÖ®¼äµÄ¾àÀë
scrollTop:ÉèÖûò»ñȡλÓÚ¶ÔÏó×î¶¥¶ËºÍ´°¿ÚÖпɼûÄÚÈݵÄ×î¶¥¶ËÖ®¼äµÄ¾àÀë
scrollWidth:»ñÈ¡¶ÔÏóµÄ¹ö¶¯¿í¶È
offsetHeight:»ñÈ¡¶ÔÏóÏà¶ÔÓÚ°æÃæ»òÓɸ¸×ø±ê offsetParent ÊôÐÔÖ¸¶¨µÄ¸¸×ø±êµÄ¸ß¶È
offsetL ......

¼¸¸ö²»´íµÄJavaScript¿çƽ̨ͼ±í¿â

1. timeplot
µØÖ·£ºhttp://www.simile-widgets.org/timeplot/
ÏÂÔØ£ºhttp://code.google.com/p/simile-widgets/downloads/list
2.flot
ÊÇÒ»¸öjquery²å¼þ£¬Ð§¹û²»´í¡£
µØÖ·£ºhttp://code.google.com/p/flot/
3.Highcharts
µØÖ·£ºhttp://www.highcharts.com/
ºÃÏñÖ»¶Ô¸öÈËÃâ·Ñ¡£
......

JavaScript δ½áÊøµÄ×Ö·û´®³£Á¿

JavaScript δ½áÊøµÄ×Ö·û´®³£Á¿
×öJavaScriptµÄʱºò,·¢ÏÖÀÏÊdzöÏÖ´íÎ󣺓δ½áÊøµÄ×Ö·û´®³£Á¿”.
×Ô¼ºÕÒÁËÏÂÓ¦¸ÃÊÇ´«²ÎÊýµÄʱºò,ÓÐÌØÊâ×Ö·ûÒýÆðµÄ.
ÍøÉÏÒ²ÕÒÁËÏÂ,Ò²Óкöà³öÏÖÕâÖÖÇé¿ö.×öÏÂ×ܽá,ÒÔ·½±ãÒÔºó²éÔÄ.
1.JAVASCRIPTÒýÓÃʱ,ʹÓõÄ×Ö·ûÓïÑÔ²»Ò»ÖÂ.
±ÈÈç:<script type=”text/javascrip ......

£¨Ñ§Ï°±Ê¼Ç£©JavaScriptÖе÷Óú¯ÊýµÄÀ¨ºÅÎÊÌâ

 ÎÒÔÚjsÖж¨ÒåÁËÒ»¸öº¯Êý£º
 function closeCodeList()
{
try
{
showFistIndex = 0;
arrayBmCode = null;
if(document.all("spanCode").style.display=='')
{
var disFlag=1;
}
document.all("spanCode").style.display='none';
try{if(disFlag)oldFieldKey.focus();}catch(ex){}
}
c ......

Javascript DOM»ù´¡

DOMÊÇÕë¶ÔXMLµÄ»ùÓÚÊ÷µÄAPI£¬ËüÓëÓïÑÔÎ޹أ¬ÊµÏÖ·½Ê½ÓкܶàÖÖ£¨¸÷ÓïÑÔ»ù±¾¶¼ÓÐ×Ô¼ºµÄʵÏÖ£©¡£
²»¹ýÎÒÃǾ­³£Óõģ¬ÊÇJavaScript ϵÄdomÕë¶ÔxhtmlµÄ²Ù×÷£¬Ö»ÊÇdomµÄÒ»¸ö·ÖÖ§Ó¦Óá£
Ãû´Ê½âÊÍ£º
Dom£ºÎĵµ¶ÔÏóÄ£ÐÍ¡£Document object model
Bom£ºä¯ÀÀÆ÷¶ÔÏóÄ£ÐÍ£¬Ò²¿ÉÒԽд°¿Ú¶ÔÏóÄ£ÐÍ¡££¨window object model.£©
API£ºÓ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ