anchor.diff:                var currentImg = imageSetInfo.currentImg;
                 var refImg = imageSetInfo.refImg;
   
  -              // Create a canvas
  -              // https://github.com/scijs/get-pixels/blob/7c447cd979637b31e47e148f238a1e71611af481/dom-pixels.js#L14-L18
  -              var canvasEl = D.CANVAS({class: 'updated-ref'});
  -              canvasEl.width = refImg.naturalWidth;
  -              canvasEl.height = refImg.naturalHeight;
  -              var context = canvasEl.getContext('2d');
  -
  -              // Load our reference into the canvas
  -              // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/drawImage
  -              context.drawImage(refImg, 0, 0);
  -
  -              // Update our selected portion on reference and draw image in clipping
  -              // DEV: This is probably the most efficient way (outside of web workers) because
  -              //   we would have to draw image twice no matter what
  -              //   Maybe there's double pixel updates but I don't thinks so
  -              // DEV: Performance alternatives we thought of but aren't needed
  -              //   Extract image from 2nd canvas via `ndarray`
  -              //   Use web workers
  -              //   Requesting server do it via `get-pixels` and `save-pixels`
  -              // DEV: Slowest part is drawing initial image above
  -              // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/rect
  -              context.rect(targetArea.left, targetArea.top, targetArea.width, targetArea.height);
  -              context.clip();
  -              context.drawImage(currentImg, 0, 0);
  +              // Create helper to generate new canvases
  +              function createUpdatedCanvas(baseImg) {
  +                // Create a canvas
  +                // https://github.com/scijs/get-pixels/blob/7c447cd979637b31e47e148f238a1e71611af481/dom-pixels.js#L14-L18
  +                var canvasEl = D.CANVAS({class: 'updated-ref'});
  +                canvasEl.width = refImg.naturalWidth;
  +                canvasEl.height = refImg.naturalHeight;
  +                var context = canvasEl.getContext('2d');
  +
  +                // Load our reference into the canvas
  +                // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/drawImage
  +                context.drawImage(baseImg, 0, 0);
  +
  +                // Update our selected portion on reference and draw image in clipping
  +                // DEV: This is probably the most efficient way (outside of web workers) because
  +                //   we would have to draw image twice no matter what
  +                //   Maybe there's double pixel updates but I don't thinks so
  +                // DEV: Performance alternatives we thought of but aren't needed
  +                //   Extract image from 2nd canvas via `ndarray`
  +                //   Use web workers
  +                //   Requesting server do it via `get-pixels` and `save-pixels`
  +                // DEV: Slowest part is drawing initial image above
  +                // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/rect
  +                context.rect(targetArea.left, targetArea.top, targetArea.width, targetArea.height);
  +                context.clip();
  +                context.drawImage(currentImg, 0, 0);
  +              }
   
                 // Duplicate reference image and shrink both canvas/image for output
                 canvasEl.style.width = '100%';
  
positive.code:               D.A({
                  class: 'image-set__title',
                  href: 'javascript:void 0;', 'data-toggle': 'collapse',
                  'data-target': '[data-image-set="' + imgSetId + '"] [data-image-set-expand]',
                  'data-images-equal': imgSet.imagesEqual,
                  'aria-controls': imgSetId
                }, imgSetHumanName),
  
negative.code:             ])
            ]);
            // TODO: Delete results element upon resolution
            expectedImgSetCollapseEl.appendChild(resultsEl);
  
            // Start our chain of methods
            findSelectionMatches();
  