Scroll into view with behat

gistfile1.php

/**
   * @When I scroll :elementId into view
   */
  public function scrollIntoView($elementId) {
    $function = <<<JS
(function(){
  var elem = document.getElementById("$elementId");
  elem.scrollIntoView(false);
})()
JS;
    try {
      $this->getSession()->executeScript($function);
    }
    catch(Exception $e) {
      throw new \Exception("ScrollIntoView failed");
    }
  }