HTML5 input validation
By Łukasz Jagodziński
An example showing how to validate input using HTML5 on Tizen 2.3.
<input type="text" pattern="[^@]+@[^@]+\.[a-zA-Z]{2,6}" id="email" required />
<script>
var field = document.getElementById('email');
field.addEventListener('change', function() {
alert(field.validity.valid ? 'VALID' : 'INVALID');
});
</script>