Regarding the submit response to the carriage return event in the form_html/css_WEB-ITnose

Click on any text box in this way, and you can respond after pressing Enter

But if you remove the last input, you will not be able to respond to Enter. This What is the reason?

Reply to discussion (solution)

Enter triggers the onsubmit event. If it pops up, it must be written in the onsubmit event.

Enter triggers the onsubmit event. If it pops up, it must be written in the onsubmit event.
I am just curious about the onclick event of the submit component. Pressing Enter may not respond under different circumstances

onsubmit is to submit the form, and onclick is to click the mouse.
They were originally designed for different situations. Why design two for the same situation?

Although I still don’t understand it very clearly, I feel that there is no need to get into trouble