Confirm before submitting the js form

It is easy to submit a form using js, but sometimes, when submitting a form using js, you need to give the user a prompt before submitting the form. Do you really need to submit the form to avoid errors. This article explains how to submit a js form and further extend the function to the confirmation before submitting the form. For more information about coders, see. Js submits the form, which can be implemented using document. getElementById ("formid"). submit.

The prompt box can be implemented using window. confirm.

The specific code is as follows:

Confirmation prompt before js form submission