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var hs = Date.parse('03/02/2009 22:10');
var d = new Date(hs);
document.write(d);
document.write('<br/>');
var h=3.5;
var arrh=String(h).split('.');
document.write(Number(arrh[1])*6);
document.write('<br/>');
d.setHours(d.getHours()+Number(arrh[0]));
d.setMinutes(d.getMinutes()+Number(arrh[1])*6);
document.write(d);
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http://www.cnblogs.com/east-liujie/archive/2006/10/21/535784.html
http://www.happyshow.org/view.php?id=145
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Summary ×ܽá
When web pages or applications begin to feel slow, analyzing assets as they come over the wire and profiling scripts while they are running allows you to focus your optimization efforts where they are needed most.
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1 history.go(0)
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3 location=location
4 location.assign(location)
5 location.replace(location)
6 from..reset() (Ò³Ãæ²»½øÐÐˢУ¬Ä£Äâµ¥»÷¶ÔËùµ÷ÓÃ±íµ¥ÖØÖð´Å¥µÄµ¥»÷)
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1.function f(x){return x*x;};f(x);
2.(function(x){return x*x;})(x);
3.(function(x){return x*x;}(x));
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1. document.write( " "); Êä³öÓï¾ä
2.JSÖеÄ×¢ÊÍΪ//
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document- >html- >(head,body)
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window- >(navigator,screen,history,location,document)
5.µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ:document.getElementById( "±íµ¥ÖÐÔªËØµÄID號 ").name(»òvalue)
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