When used, the jQuery selector returns the PreviousObject rather than the object that was selected initially

I'm currently attempting to add a second menu to my website alongside the top menu. I have multiple menus set up in two bootstrap columns (col-8 and col-4). Initially, when I used jQuery selectors outside of a function, everything worked smoothly. However, when I refactored my code to create a function that takes a class as a parameter, the functionality stopped working correctly. The $element variable represents a div element with the class ".navbar.navbar-default.stick-left".

Below is the code snippet:

var stickelement = function(classid) {
    $element = $(classid);
    console.log($element);
    if ($element.length) {

        elementOffset = $element.offset().top;

        $(window).scroll(function (e) {
            scrollTop = $(window).scrollTop() + $('.navbar.navbar-default.navbar-fixed-top').height();
            distance = elementOffset - scrollTop;

            if (distance < 0 && $element.css('position') != 'fixed') {
                $element.css({
                    'position': 'fixed',
                    'margin': '0px',
                    'top': ($('.navbar.navbar-default.navbar-fixed-top').height()).toString() + 'px'
                });
            }
            if (distance > 0 && $element.css('position') == 'fixed') {
                $element.css({'position': 'static', 'margin': '50px'});
            }
        });
    }
};

stickelement(".navbar.navbar-default.stick-left");

Upon reloading the page, my console only displays n.fn.init[0] with an uninitialized "top" field inside the proto object and a length of 0.

Could you please help me identify where I may have gone wrong?

Answer №1

After successfully solving one problem, a new challenge has presented itself to me. My current dilemma involves attempting to utilize two calls to the $(window).scroll function asynchronously:

var stickelement = function(classid) {
    $element = $(classid);
    console.log($element);
    if ($element.length) {
        elementOffset = $element.offset().top;

        $(window).scroll(function (e) {
            scrollTop = $(window).scrollTop() + $('.navbar.navbar-default.navbar-fixed-top').height();
            distance = elementOffset - scrollTop;

            if (distance < 0 && $element.css('position') != 'fixed') {
                $element.css({
                    'position': 'fixed',
                    'margin': '0px',
                    'top': ($('.navbar.navbar-default.navbar-fixed-top').height()).toString() + 'px'
                });
            }
            if (distance > 0 && $element.css('position') == 'fixed') {
                $element.css({'position': 'static', 'margin': '50px'});
            }
        });
    }
};

stickelement('.stick-left');
stickelement('.stick-right');

However, my current setup is not allowing both menus to stick simultaneously as desired. Only one of the two menus are able to adhere to the top menu using this method. Any suggestions on how I can adjust my solution to effectively stick both menus to the top menu?

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