Function focusElement

data-browser/src/views/DocumentPage.tsx:202–219

(goto: number)

  }

  function focusElement(goto: number) {
    if (goto > elements.length - 1) {
      goto = elements.length - 1;
    } else if (goto < 0) {
      goto = 0;
    }
    setCurrent(goto);
    let found =
      ref?.current?.children[goto]?.getElementsByClassName('element')[0];
    if (!found) {
      found = ref?.current?.children[goto];
    }
    if (found) {
      found.focus();
    } else {
      ref.current.focus();
    }
  }

  async function deleteElement(number: number) {
    elements.splice(number, 1);