<script>
//////////////////
// Leak simulation
(function scoped() {
  var leak = {foo:"bar"};
  mem.track(leak);

  var scopeLeak = leak;
  document.addEventListener("load", function scopeLeakFunction() {
    scopeLeak;
  });

  document.refLeak = leak;

  for(var i = 0; i < 2; i++) {
    mem.track({});
  }
})();
</script>