Prevent form submission on Enter key press

Question

I have a form with two text boxes, one select drop down and one radio button. When the enter key is pressed, I want

Answer 1

Using TypeScript, and avoid multiples calls on the function

let el1= document.getElementById('searchUser');
el1.onkeypress = SearchListEnter;

function SearchListEnter(event: KeyboardEvent) {
    if (event.which !== 13) {
        return;
    }
    // more stuff
}