How to clear a form?

Question

For example I have a form like this:

Answer 1

You can do something similar to this in JS and call it from onclick within your button:

function submit() {
  $('#fieldIdOne').val('');
  $('#fieldIdTwo').val('');
}

And then in your HTML file:

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If you happen to use this solution with Firebase, it actually won't send anything to the database unless you add return false right after the call.