Question

js 时间范围判断，超出规定时间则无效

Answer 1

var myDate=new Date();
myDate.setFullYear(2015,8,28);

var today = new Date();

if (myDate>today)
{
alert("Today is before 28th August 2015");
}
else
{
alert("Today is after 28th August 2015");
}