hide method
dynamic
hide()
Hide the Modal.
Implementation
hide() {
final e = QueryEvent('hide.bs.modal');
$element.triggerEvent(e);
if (!_shown || e.defaultPrevented)
return;
_shown = false;
$element.off('keyup.dismiss.modal');
$element.off('click.modal.backdrop');
$element.off('click.dismiss.modal');
$document().off('focusin.modal');
element.classes.remove('in');
element.attributes['aria-hidden'] = 'true';
if (Transition.isUsed && element.classes.contains('fade'))
_hideWithTransition();
else
_hideModal();
}