Plugin allows customizing HTML5 validation messages using data attributes on an element. Simply use any of the validity states in the reference below as a data attribute on a form element. This will define the custom message that appears when that element is in that validity state. This is a jQuery plugin so jQuery is required.
`
$('form').customValidationMsgs();`- valueMissing
- typeMismatch
- patternMismatch
- tooLong
- rangeUnderflow
- rangeOverflow
- stepMismatch
- valid