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Simon Goellner

@simeydotmeHong Kong40 points

Frontend Developer from the 2000s, fighting tooth-and-nail to stay relevant! Lots of experience in Usability, UX and Frontend UI Development for the Web. Joined up to help mentoring some Juniors I know.

I’m currently learning...

VueJS, SvelteJS, Sveltekit, Storybook, Blender3d

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  • Simon Goellner•40
    @simeydotme

    To prevent the form from submitting if Validation is not passed, you may use an onsubmit event on the <form> element ( <form onsubmit='checkValidation'>) instead of using a onclick event on the <button>... then you can check if the form has not passed validation. You can return false or event.preventDefault inside of the checkValidation event handler to stop the form from submitting on error.

    More information can be found on mozdev; https://developer.mozilla.org/en-US/docs/Web/API/HTMLFormElement/submit_event#javascript

    Hope that is helpful!

    Marked as helpful
  • Simon Goellner•40
    @simeydotme

    You could consider setting a "pattern" attribute and "inputmode" attribute on the card number <input> so that it allows easier input on mobile devices :)

    Aside from that the thing looks great! Good job! You've followed the design very well and the mobile view looks perfect!