If you already have this enhancement (which works in all modern browsers back to IE7), and given that you have James is a freelance web developer based in the UK, specialising in Java Script application development and building accessible websites.
With more than a decade's professional experience, he is a published author, a frequent blogger and speaker, and an outspoken advocate of standards-based development.
var validate Text Areas = function() You would call this method during your form validation.
It assumes that all textareas on your form must be non-blank but you could easily change that if needed.
Such a script is beyond the scope of this article, but if you wanted to develop it further, all of the basic blocks are there – testing whether a field should be validated, validating a field against a pattern and/or required, and binding trigger events.
However, if you prefer a j Query solution you could try something like this.Figure 1: Above figure is output of validation of empty field In above script, function Empty will check that the HTML input that is being send to the server has something in it.This is done with the help of built in properties of Java Script strings; take the value of input textbox trim it and then check for empty string. In series of validation scheme there are various kind of validation scheme, Let’s some more different kind of validations.This is validation to check that entered values are all letters or combination of different chars.Following script will compile the idea of validation for all letters.