incorrect Js code

<script type="text/javascript">
jQuery(document).ready(function() {
var container = jQuery("#fixed_floating_menu");
var menu = jQuery("#fixed_floating_menu .et_pb_fullwidth_menu");
var pos = container.position();
jQuery(window).scroll(function() {
var windowpos = jQuery(window).scrollTop();
if (windowpos >= pos.top) {
menu.addClass("stick");
container.addClass("hold");
} else {
menu.removeClass("stick");
container.removeClass("hold");
}
});
});
</script>