文本框txttime里输入的时间必须与今天的时间相差3-90天。..............
var today = new Date();
var endDate=document.myform.txttime.value;
var dt=(endDate.getTime()-today.getTime())/3600/1000/24;
if(dt<3 || dt>90){
alert("拼团截止时间必须在3-90天之间!");
return false;
}
...............
var today = new Date();
var endDate=document.myform.txttime.value;
var dt=(endDate.getTime()-today.getTime())/3600/1000/24;
if(dt<3 || dt>90){
alert("拼团截止时间必须在3-90天之间!");
return false;
}
...............
var endDate=document.myform.txttime.value;
alert(endDate.getTime())
var dt=(endDate.getTime()-today.getTime())/3600/1000/24;
if(dt<3 || dt>90){
alert("拼团截止时间必须在3-90天之间!");
//return false;
}
想办法把endDate也变成这种形式才可以
var endDate=document.myform.txttime.value;
var reg=/-/g;
endDate=endDate.replace(reg,"/");
var et=new Date(endDate);
var dt=(et.getTime()-today.getTime())/3600/1000/24;
if(dt<3 || dt>90){
alert("拼团截止时间必须在3-90天之间!");
return false;
}