So far it doesn't display anything. I'm guessing I'm missing something with src but I don't quite get it yet.
function display_pic() {
var arr_images = [
'./assets/arb_01.png',
'./assets/arb_02.png',
'./assets/arb_03.png'
];
var index = Math.floor(Math.random() * arr_images.length);
$('.random_image').css({
'background': arr_images[index],
'background-position': '100%',
});
}
window.onload = display_pic();