如题,
<script language='javascript'>
if(document.myform.xf_time.value<‘2007-5-10’)
{……}
</script>
表单输入的日期值小于某一日期是这样表达吗?
<script language='javascript'>
if(document.myform.xf_time.value<‘2007-5-10’)
{……}
</script>
表单输入的日期值小于某一日期是这样表达吗?
'2007-5-10'与'2007-10-10'字符传比较的结果
应该这样:<script language='javascript'>
function compDate()
{
var d1,d2;
with(document.form1)
{
d1=parseInt(data1.value.replace(/-/g,""));//把2007-5-10这样的日期转化为数字2007510
d2=parseInt(data2.value.replace(/-/g,""));
if(d1>d2)
alert(d1+">"+d2);
else
alert(d1+"<="+d2);
}
}
</script>
<form name="form1">
<input type="text" name="data1"><input type="text" name="data2"><input type="button" onclick="compDate()">
</form>
var str = "2005-3-2"; //2005-03-02
var str = "2005-3-22"; //2005-03-02
str = str.replace(/(\D)(\d)(?=\D|$)/g, "$10$2");还可以用日期对象比较
str = str.replace(/\-/g,"/");
var d1 = (new Date(str)).valueOf();//毫秒数
//另一个日期同理
然后一减就行了
使用Date.Parse方法将字符串转换为Date类型。
据测试,IE8与FF3.6.8都可运行。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Date.Parse</title>
</head>
<body>
<script type="text/javascript">
var befDate=Date.parse("2010-12-21");
var aftDate=Date.parse("2010-12-22");
alert("befDate>aftDate="+(befDate>aftDate));
</script>
</body>
</html>