Why does a fixed background-image move when scrolling on IE?

Question

I\'m trying to make background-image fixed.

As you see in my blog, the background-image is moving when scrolling on IE 11.

How can

Answer 1

This seems to be working on trackpads for me. It builds on radarek's workaround.

    if(navigator.userAgent.match(/Trident\/7\./)) {
    $('body').on("mousewheel", function () {
        event.preventDefault();

        var wheelDelta = event.wheelDelta;

        var currentScrollPosition = window.pageYOffset;
        window.scrollTo(0, currentScrollPosition - wheelDelta);
    });

    $('body').keydown(function (e) {
        e.preventDefault(); // prevent the default action (scroll / move caret)
        var currentScrollPosition = window.pageYOffset;

        switch (e.which) {

            case 38: // up
                window.scrollTo(0, currentScrollPosition - 120);
                break;

            case 40: // down
                window.scrollTo(0, currentScrollPosition + 120);
                break;

            default: return; // exit this handler for other keys
        } 
    });
}