code: public function executeJs($javascript, array $args = [])
      {
          $javascript = format_string($javascript, $args);
  
          $this->processJavaScript($javascript);
          self::debug([$javascript]);
  
          return $this->getSession()->evaluateScript($javascript);
      }
docs: @param string $javascript
  JS code for execution.
  @param array $args
  Placeholder declarations.
  
  @return mixed