How to use

HTMLButtonElement

in

elemental2.dom

public void setClickHandler(final Command clickHandler) {
  button.addEventListener("click",
              (e) -> clickHandler.execute());
}

@Override
public Select<T> unfocus() {
  if (isEnabled() && !isReadOnly()) {
    if (!isAttached()) {
      onAttached(mutationRecord -> buttonElement.asElement().blur());
    } else {
      buttonElement.asElement().focus();
    }
  }
  return this;
}

public void addIcon(final String... classes) {
  final HTMLElement span = (HTMLElement) document.createElement("span");
  addClass(span,
       classes);
  button.appendChild(span);
}

@Override
public Select<T> focus() {
  if (isEnabled() && !isReadOnly()) {
    if (!isAttached()) {
      onAttached(mutationRecord -> buttonElement.asElement().focus());
    } else {
      buttonElement.asElement().focus();
    }
  }
  return this;
}

private void doUnfocus() {
  unfloatLabel();
  labelElement.style().remove(focusColor.getStyle());
  formControl.style().remove("fc-" + focusColor.getStyle());
  removeLeftAddonColor(focusColor);
  buttonElement.asElement().blur();
  this.focused = false;
}

@Override
public Select<T> focus() {
  if (isEnabled() && !isReadOnly()) {
    if (!isAttached()) {
      onAttached(mutationRecord -> buttonElement.asElement().focus());
    } else {
      buttonElement.asElement().focus();
    }
  }
  return this;
}

private void doUnfocus() {
  unfloatLabel();
  labelElement.style().remove(focusColor.getStyle());
  formControl.style().remove("fc-" + focusColor.getStyle());
  removeLeftAddonColor(focusColor);
  buttonElement.asElement().blur();
  this.focused = false;
}

public void setClickHandler(final Command clickHandler) {
  button.addEventListener("click",
              (e) -> clickHandler.execute());
}

@Override
public Select<T> unfocus() {
  if (isEnabled() && !isReadOnly()) {
    if (!isAttached()) {
      onAttached(mutationRecord -> buttonElement.asElement().blur());
    } else {
      buttonElement.asElement().focus();
    }
  }
  return this;
}

private void doFocus() {
  if (isEnabled() && !isReadOnly()) {
    floatLabel();
    if (valid) {
      labelElement.style().add(focusColor.getStyle());
      formControl.style().add("fc-" + focusColor.getStyle());
      setLeftAddonColor(focusColor);
      buttonElement.asElement().focus();
      this.focused = true;
    }
  }
}

public void addIcon(final String... classes) {
  final HTMLElement span = (HTMLElement) document.createElement("span");
  addClass(span,
       classes);
  button.appendChild(span);
}

public static Alert create() {
  Alert alert = new Alert();
  alert.closeButton.addEventListener("click", e -> alert.asElement().remove());
  return alert;
}

private void doFocus() {
  if (isEnabled() && !isReadOnly()) {
    floatLabel();
    if (valid) {
      labelElement.style().add(focusColor.getStyle());
      formControl.style().add("fc-" + focusColor.getStyle());
      setLeftAddonColor(focusColor);
      buttonElement.asElement().focus();
      this.focused = true;
    }
  }
}

public static Alert create() {
  Alert alert = new Alert();
  alert.closeButton.addEventListener("click", e -> alert.asElement().remove());
  return alert;
}

public static Notification create(String message) {
  Notification notification = new Templated_Notification();
  notification.messageSpan.textContent = message;
  notification.style().add(notification.background.getBackground());
  notification.closeButton.addEventListener("click", e -> notification.close());
  return notification;
}

public static Notification create(String message) {
  Notification notification = new Templated_Notification();
  notification.messageSpan.textContent = message;
  notification.style().add(notification.background.getBackground());
  notification.closeButton.addEventListener("click", e -> notification.close());
  return notification;
}