Clean code
Clean code
V4f helps your write clean validation code that other developers can read and understand, and easy to test.
Well tested
Well tested
All validator rules, algorithms, and APIs are tested carefully with +500 unit tests.
Flexible
Flexible
V4f provide a lot of rules that you can use to build complex validation without the need to be a javascript expert.
Modular
Modular
V4f is designed to encourage developers to create complex validator by nesting simple validator together.