$()

in src/js/screen.js [2:8]

• 7 lines of code
• 2 McCabe index (conditional complexity)

$(window).scroll(function() {
    if ($(this).scrollTop() >= 50) {        // If page is scrolled more than 50px
        $('#return-to-top').fadeIn(200);    // Fade in the arrow
    } else {
        $('#return-to-top').fadeOut(200);   // Else fade out the arrow
    }
});