SubmitEventinterface SubmitEvent extends Event {readonly submitter: HTMLElement | null;}var SubmitEvent: {prototype: SubmitEvent; new (type: string, eventInitDict?: SubmitEventInit): SubmitEvent; };§Extends§Event[src]§Properties§readonly submitter: HTMLElement | null[src]Returns the element representing the submit button that triggered the form submission, or null if the submission was not triggered by a button.