Ruby on Rails: Is it better to apply validations on model or through JavaScript?
3141
JavaScript: client-side vs. server-side validation
87153
Rails' client-side-validation form_for error
37521
jQuery validation: change default error message
6454
Perform feature normalization before or within model validation?
57232
Best way to trim strings after data entry. Should I create a custom model binder?
37425
jQuery Validate - Enable validation for hidden fields
463
When should I use Inline vs. External Javascript?
116537
Model.IsValid always returning true
118392
Fully custom validation error message with Rails
64111
Is my JavaScript validating enough?
18733
Custom validation for a form?
10259
Javascript: What's more efficient, IF block or TRY/CATCH?
1358
Validate that string contains only allowed characters in Ruby
103174
how does activerecord know to perform an insert or update?
92608
How to clear, remove, or reset HTML5 form validation state after "setCustomValidity("...");"?
72720
How to skip ActiveRecord callbacks?
48472
What's the best way to highlight a Required field on a web form before submission?