form-vanilla

Validate HTML forms without a framework by using native HTML5 constraints enhanced with Zod validation rules. Attach a vanilla JavaScript validator to your form that checks input against your Zod schema on blur or submit, returning structured results with validated data or field-specific errors.

Yes, Zod validation works with plain HTML forms by defining a schema that mirrors your form fields, then running user input through that schema after collection. This combines HTML5 native validation with Zod's robust rule definitions for email, password requirements, and custom constraints.

The best approach combines native HTML5 validation with a Zod schema validator. Extract form data, validate against Zod rules, and handle results with optional debounced validation on blur and full validation on submit, returning errors mapped to fields or validated data.

Progressive enhancement for forms means building with semantic HTML5 that works without JavaScript, then layering client-side Zod validation on top. Forms remain functional without JavaScript while gaining real-time validation feedback when JavaScript runs.

Yes, define Zod schemas for login and signup forms with custom validation rules for email format, password strength, and field matching. Apply these schemas in vanilla JavaScript to validate form input and return structured errors or successful data extraction.

Vanilla form validation requires manual event binding and result handling across forms, lacks built-in state management, and demands careful debouncing logic for performance. Complex multi-step forms or dynamic field dependencies may need additional coordination beyond what Zod provides.