How would you implement a modal form that validates input before closing in Bootstrap?

  • Utilize Bootstrap's modal events like 'hide.bs.modal' to trigger validation.
  • Use custom JavaScript to bind to the modal's close button, validate input, and prevent closure if validation fails.
  • Include a 'data-validate' attribute in the modal markup and handle validation using a JavaScript function tied to this attribute.
  • Bootstrap modals inherently support input validation; no additional steps are necessary.
When implementing a modal form in Bootstrap, custom JavaScript is often required to handle input validation and prevent closure if the input is invalid. Utilizing modal events or custom attributes can achieve this.
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