bookmarklet

bookmarklet.js

javascript:(function() {  
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  };

  var randomPuppy = function(aspect){
    return puppyBasket[aspect].sort(function() {
      return .5 - Math.random();
    })[0]
  };
  
  var getAspect = function(h,w) {
    var a = h / w;
   if(a >= 1.25 && a < 2) {
       return "portrait"
    } else if(a >= 0.83 && a < 1.25) {
       return "square"
    } else if(a >= 0.5 && a < 0.83){
       return "landscape"
    } else {
       return null;
    }
  };
  
  var images = document.getElementsByTagName("img"); 
  
  for(i in images) {
    var h = images[i].height; 
    var w = images[i].width; 
    var aspect = getAspect(h,w);
    
    if(aspect == null) continue;
    
    images[i].src=randomPuppy(aspect); 
  }
  
})();