：点晴ERP-日期格式提交前的校验JS

//校验日期格式是否正确的函数

function isValidDate(dateString) { 

var date = new Date(dateString);    

return !isNaN(date.getTime());

}

//提交前的JS

 var tr_num=document.getElementById("tr_num").value;

alert(tr_num);

var produce_time_value="";

var tr_num_i = 0;

for( tr_num_i; tr_num_i < tr_num; tr_num_i++)

{

produce_time_value=document.getElementById("produce_time"+tr_num_i).value; 

if (!isValidDate(produce_time_value)){

alert("第"+(tr_num_i+1)+"行的生产日期格式不对");

return false;

}

}