bad.htm

<script>
  document.write('<script src=/js/vendor/'
    + ('__proto__' in {} ? 'zepto' : 'jquery')
    + '.js><\/script>');
</script>
<script src="/js/foundation.min.js"></script>
<script>
  $(document).foundation();
</script>

good.php

if (! function_exists('themeslug_scripts_foundation') ) :
function themeslug_scripts_foundation() {
//scripts
  wp_enqueue_script('foundation-js', get_template_directory_uri().'/js/foundation.min.js', array( 'jquery' ));
	wp_enqueue_script('modernizer', get_template_directory_uri().'/js/custom.modernizr.js');
//styles
	wp_enqueue_style('normalize', get_template_directory_uri().'/css/normalize.css');
	wp_enqueue_style('foundation-css', get_template_directory_uri().'/css/foundation.min.css');
}
add_action( 'wp_enqueue_scripts', 'themeslug_scripts_foundation' );
endif; //! themeslug_scripts_foundation exists


if (! function_exists('themeslug_js_init_foundation') ) :
function themeslug_js_init_foundation() { 
	echo "<script> \n
			jQuery(document).ready(function($) { \n ";
	echo "    $(document).foundation();"
	echo "	}); //end no conflict wrapper \n ";
	echo "</script>
	";
}
add_action('wp_footer', 'themeslug_js_init_foundation');
endif; //! themeslug_js_init_foundation