original_string: public function getCustomJs($position=self::ON_HEAD)
  	{
  		return isset($this->customJs[$position])?$this->customJs[$position]:array();
  	}
code: public function getCustomJs($position=self::ON_HEAD)
  	{
  		return isset($this->customJs[$position])?$this->customJs[$position]:array();
  	}
code_tokens: public function getCustomJs ( $ position = self :: ON_HEAD ) { return isset ( $ this -> customJs [ $ position ] ) ? $ this -> customJs [ $ position ] : array ( ) ; }
docstring: It is used to get custom javascript by reserved position.
  @param int $position position where you want to place you script. it must be @link(ON_BODY) or @link(ON_HEAD)
  @return array if $position on $customJs is available it will return as is, if not it just return an empty array
docstring_tokens: It is used to get custom javascript by reserved position .