sideshowbarker 7c34746571 LibWeb: Implement HTMLFormElement::checkValidity (constraint validation) ...

This change implements the requirements from the HTML spec at
https://html.spec.whatwg.org/#statically-validate-the-constraints
and https://html.spec.whatwg.org/#dom-form-checkvalidity — the parts of
the HTML constraint validation API (aka “client-side form validation”)
https://html.spec.whatwg.org/#the-constraint-validation-api for
HTMLFormElement itself — as well as the code for the requirements at
https://html.spec.whatwg.org/#check-validity-steps, which are the shared
requirements for the checkValidity method for individual form controls.

2025-02-26 04:13:31 +00:00

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