gistfile1.txt

window.onload = () => {
  console.log('Inside the JS function');

  // find the image elements
  let imgArray = document.querySelectorAll('.style_size');

  // Randomly pick a number 
  // Locate the image based off Random Number
  const num = Math.floor(Math.random()*imgArray.length);
  const imageToDisplay = imgArray[num];

  imageToDisplay.style.display = "block";
}