Frontside form validation is for user convenience only. A user that wants to send invalid form data would use a different client like cURL or Postman. But it's easily possible to open the dev tools, set a breakpoint in the function and skip the check. I have to admit, it's a little bit more difficult with production code. Your post is really dangerous, because it implies some kind of security. It's even tagged with #security, but it doesn't provide any security.
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Thanks alot for the feedback!
Could you please demonstrate or provide an example of how you've managed to edit a live JS code (on a production site)?
Frontside form validation is for user convenience only. A user that wants to send invalid form data would use a different client like cURL or Postman. But it's easily possible to open the dev tools, set a breakpoint in the function and skip the check. I have to admit, it's a little bit more difficult with production code. Your post is really dangerous, because it implies some kind of security. It's even tagged with #security, but it doesn't provide any security.