input.changed call back with loadJSON.js

function updateNoun() {
  //do not allow user to input white space or empty string into the word array
  if (trim(nounInput.value()) != "") {
    //push input to word array
    nounArray.push(nounInput.value());
    //display submitted words below input field
    nounPara.push(createP(nounInput.value()));
    for (let i = 0; i < nounPara.length; i++) {
      nounPara[i].position(nounInpX, inpY + 20 * (i - 1));
    }
    //get photos from flickr
    flickrQuery = nounInput.value();
    flickrURL = 'https://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=' + apiKey + '&safe_search=1&sort=interestingness-desc&text=' + flickrQuery + '&format=json&nojsoncallback=1';
    loadJSON(flickrURL, getPhotos);
    //clear input field
    nounInput.remove();
    nounInput = createInput('');
    nounInput.position(nounInpX, inpY + nounArray.length * 20);
  }
  return false;
}

loadJSON callback.js

//flickr loadJSON callback
function getPhotos(photoData) {
  flickrData = photoData;
  //once data loads
  if (flickrData) {
    for (let i = 0; i < numImgPerQuery; i++) {
      let farmid = flickrData.photos.photo[i].farm;
      let serverid = flickrData.photos.photo[i].server;
      let id = flickrData.photos.photo[i].id;
      let secret = flickrData.photos.photo[i].secret;
      //create photo url
      photoURL = 'https://farm' + farmid + '.staticflickr.com/' + serverid + '/' + id + '_' + secret + '_s.jpg';
      //and create an array of img elements
      let r = random(faceH / 2 + 20, vidWidth / 2 + 50);
      let theta = 0;
      let theta_vel = random(-.05, .05);
      photoArray.push(new Imgcloud(loadImage(photoURL), r, theta, theta_vel));
    }
  }
}