undefined is not a function

<script>
//<![CDATA[
    jQuery(function($){
        function snsTooltip(){
        	jQuery("body#bd *[data-toggle='tooltip']").tooltip({
        		container: 'body'
        	});
        }
        snsTooltip();
        setInterval(function(){snsTooltip()},1000);
    });
//]]>
</script>

:1837 Uncaught TypeError: undefined is not a function