You can check out a demo below: See the Pen Instant Form Validation by Site Point (@Site Point) on Code Pen.Once that scripting is implemented, we’re actually only a couple of skips and hops away from a complete polyfill.This would apply an error css class to highlight your required fields and display an appropriate message to the user.With a little work you could easily turn this into a j Query helper method that you could reuse in all sorts of situations.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.
Add required field validators for every textbox and add a validation summary contol.
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.
Also, there's a large variety of j Query validation plugins that would helpful.
For legacy browsers that don’t implement these attributes, we can use their values as the basis of a polyfill.
Email validation scheme tells that how to check if a user's email address is valid.