Change current web page images by photos of Nicolas Cage

nicolasCage.js

// Get all images
var images = document.getElementsByTagName('img');
for (var i in images){ 
  var img = images[i];
  var height = img.height;
  var width = img.width;
  var url = "https://www.placecage.com/c/" + width + "/" + height;
  // Replace an image src by the corresponding placecage url
  img.setAttribute('src', url);
}