script.js

function newimage(keyword){
  if(!ACCESS_KEY){
    alert("Please update your access key");
    return;
  }
  var url = `https://api.unsplash.com/search/photos?query=${keyword}&per_page=20&orientation=landscape&client_id=${ACCESS_KEY}`;
  $.get(url,function(data){
    var picture = data.results[0];

    var picture_url = picture.urls.raw;
    var photo_by_name = picture.user.name;
    var photo_by_url = picture.user.links.html;
    setCookie("picture",picture_url,0.5);
    setCookie("photo-by-name",photo_by_name,0.5);
    setCookie("photo-by-url",photo_by_url,0.5);
    $('.interest-text').html(keyword);
    $('.photoby').html(photo_by_name);
    $('.photoby').attr('href',photo_by_url);
    $('body').css('background-image',`url(${picture_url})`);

  });
}