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js時間比較,獲取n天後(前)的日期

title xtml color mon nbsp con nth get log

<html> 
<head> 
<meta http-equiv="Content-Type" content="textml; charset=utf-8"> 
<title>js獲取日期:前天、昨天、今天、明天、後天 ,並比較時間大小</title> 
</head> 

<body> 
<script language="JavaScript" type="text/javascript"> 
function GetDateStr(AddDayCount) { 
    var
dd = new Date(); dd.setDate(dd.getDate()+AddDayCount);//獲取AddDayCount天後的日期 var y = dd.getFullYear(); var m = dd.getMonth()+1;//獲取當前月份的日期 var d = dd.getDate(); return y+"-"+m+"-"+d; } document.write("3天前:"+GetDateStr(-3)); document.write("<br />昨天:"+GetDateStr(-1)); document.write(
"<br />今天:"+GetDateStr(0)); document.write("<br />明天:"+GetDateStr(1)); document.write("<br />後天:"+GetDateStr(2)); document.write("<br />大後天:"+GetDateStr(3)); function CompareDate(d1,d2){ return ((new Date(d1.replace(/-/g,"\/"))) > (new Date(d2.replace(/-/g,"\/")))); } alert(GetDateStr(
0)+"大於"+GetDateStr(1)+"嗎?"+CompareDate(GetDateStr(0),GetDateStr(1))); </script> </body> </html>

js時間比較,獲取n天後(前)的日期