Validate Hidden field value

Question

Hello I have two hidden field one field display name and second is email id. 1- Validate both field (if email id exist then alert message display message like this Email ID : main page )

ramya bharath · Answer

alert(emailid:+document.getElementById (  emailid).value+ main page);

Davin Martyn · Answer

i want to add second hidden field value in alert box like alert (email id : hiddenfield value: mainpage how to add

ramya bharath · Answer

function validate () { Var data=document.getElementById ( emailid); if (data!=null && data !== ) { //some code } else { alert (your message); } } Modify it to your need