javascript基础--比较两个日期的大小
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Insert title here</title><script type="text/javascript">//date string format: MM/DD/YYYfunction compareDate(dstr1,dstr2){var d1 = new Date();d1.setFullYear(Number(dstr1.substring(6)),Number(dstr1.substring(0,2))-1,Number(dstr1.substring(3,5)));var d2 = new Date();d2.setFullYear(Number(dstr2.substring(6)),Number(dstr2.substring(0,2))-1,Number(dstr2.substring(3,5)));if(Math.floor(d1.getTime()/(3600*24*1000)) >= Math.floor(d2.getTime()/(3600*24*1000))){alert("d1>=d2");}else{alert("d1<d2");}}compareDate("07/18/2011","07/15/2011");</script></head><body></body></html>?
??? 在javascript的Date对象里，没有对时区的设置，如果要比较两个不同时区的时间，加减对应的时差是我想到的唯一办法。