Broken image JS.

brokenimage.js

// MIT https://github.com/alexrabarts/jquery-brokenimage minus the jquery.
function BrokenImage(selector, options) {
  'use strict';

  options = options || {};
  var defaults = {
    timeout: 2500
  };

  for (var key in defaults) {
    if (!options.hasOwnProperty(key)) {
      options[key] = defaults[key];
    }
  }

  var elements = document.querySelectorAll(selector);
  Array.prototype.forEach.call(elements, function(image){
    if (!image instanceof HTMLImageElement)
      return;

    image.addEventListener('error', placeholder);

    setTimeout(function () {
      var test = new Image();
      test.src = image.src;

      if (test.height === 0) {
        placeholder();
      }
    }, options.timeout);

    function placeholder() {
      if (options.replacement) {
        image.src = options.replacement;
      }
      else {
        image.style.visibility = 'hidden';
      }
    }
  });
}