gistfile1.txt

// Switch img src for large displays

$('.rs-img').each(function() {

    var baseWidth = 1140;
    
    // get current width
    var lgeScrn = $(window).innerWidth();
    
    // activate if width is less than base width
    if(lgeScrn > baseWidth) {
        var src = $(this).data('full');
        $(this).css('background-image', 'url('+src+')');
    }

});