JS animate el on scroll

JS animatie el on scroll

function animateEl(animEl) {
    let counter = 0.2,
        animArray = animEl;

    animArray.each(function(index, value) {
        counter += 0.2;
        $(value).css('transition-delay', `${counter}s`);

        let targetPos = $(value).offset().top,
            winHeight = $(window).height(),
            scrollToElem = targetPos - (winHeight / 1.2);

        $(window).scroll(function() {
            let winScrollTop = $(this).scrollTop();
            if(winScrollTop > scrollToElem) {
                $(value).addClass('trust__logo-image--showing');
            }
        });
    });
}

let elements = $('.trust__logo-image');
animateEl(elements);