Form Validation using JavaScript

Question

I\'m trying to validate a form using JavaScript but i\'m a bit stuck on displaying a message next to the field to say that \"This field is required\". How do I go about doing th

Answer 1

Simplest way is to put a hidden span tag below the input field like so

 

This field is required

In Javascript you can do this

if(!valid)
{
  document.getElementById("fieldname").style = "block";
}