Custom Message in HTML5
Generally if you are just giving required in input it will give its own validation message in html5. But if you want to give your custom message then do this.
<input id="UserID" type="text" required="required" oninvalid="this.setCustomValidity('Witinnovation')">
Generally if you are just giving required in input it will give its own validation message in html5. But if you want to give your custom message then do this.
<input id="UserID" type="text" required="required" oninvalid="this.setCustomValidity('Witinnovation')">