How Add a Save Button to Custom Meta Box without Leave/Stay js Dialog?

HERE THE SOLUTION: If you want remove the default publish button and use a custom submit button for your Custom Meta Box, you have to insert the submit_button in a <div class=”submitbox” id=”submitpost”></div> e.g. <div class=”submitbox” id=”submitpost”> <?php submit_button( ‘Submit’, ‘primary’, ‘publish’, false ); ?> </div>