The action and onsubmit examples of form forms are described in

Action is the property of form, OnSubmit is the event, to say the order of execution, personal understanding is onsubmit first.

First: Action is the property of the form, HTML5 has defined it as a required property value, OnSubmit is an event, and a function validation is performed by <input type= "Submit"/> commit.

Second: To say the order of execution, personal understanding is onsubmit First, verify, verify return False, you cannot reach the action= "url" address. If true is returned or no return value is, then the URL address is passed and turned.

Copy CodeThe code is as follows:

　　

Copy CodeThe code is as follows:

　　

Onsubmit= "return fun" here is the return must be written, do not write? Do not write you can try!!!

In summary: OnSubmit is the verification that the action is the link address after the jump.

The action and onsubmit examples of form forms are described in