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This object contains the field names and their respective values (you can also use j Query’s .serialize() for this purpose).We make an Ajax call to our processing page – where it does the validation in our PHP code previously.This is considered to be bad user experience – especially in mobile.
Of course, we have add our styling so our field will look like our screenshots above. Again, the styles are real basic and you probably want to do better in your own forms. We’ve combined best of both worlds: server side and client side validation in one solution (thanks to Ajax). If a field validation rule has to change – we only need to change it in one place: the server code.
Update 4/2/2016: – The code below is not meant to be a “copy and paste” type of thing.
The rest of the code is simply handled as if it’s regular server side processing.
Again, notice the part where if it’s NOT an Ajax request – we simply echo out a list of our validation errors.