But this time, the instead of on submitting the form, validations are on field level, i.e. Sure that will be preety interesting to learn and share as well.
[This post has been translated into Japanese by one of our readers: 和訳もあります。] John Graham-Cumming wrote an article today complaining about how a computer system he was working with described his last name as having invalid characters.
In this document, we have discussed Java Script Form Validation using a sample registration form.
The tutorial explores Java Script validation on submit with detail explanation.
All those functions are called from another function.
It sets the focus to the input field until the user supplies a valid value.
I have never seen a computer system which handles names properly and doubt one exists, anywhere.
So, as a public service, I’m going to list assumptions your systems probably make about names. Try to make less of them next time you write a system which touches names. If you need examples of real names which disprove any of the above commonly held misconceptions, I will happily introduce you to several.
You can view this Sample Java Script Registration From Validation Example in a separate browser window and check how the validation is working.
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XML skin writers can include this file in their skin XSLT to implement Cold Fusion validation for their skin.