javascript - Wordpress : Uncaught TypeError: $.stellar is not a function -

i'm using stellar function parallax effect. when used in html file works great. when added template wordpress got error:

uncaught typeerror: $.stellar not function 

what wrong , how resolve that? below code how added scripts:

<script src="<?php echo bloginfo('template_url'); ?>/js/jquery.stellar.min.js"></script> <script src="<?php echo bloginfo('template_url'); ?>/js/script.js"></script> 

regards,