image-prefetch-stress.html 770 B

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  1. <html>
  2. <script type="text/javascript">
  3. (function(){
  4. var i = 0;
  5. setInterval(function(){
  6. var x = new Image();
  7. x.src = "http://upload.wikimedia.org/wikipedia/commons/e/e9/Sombrero_Galaxy_in_infrared_light_%28Hubble_Space_Telescope_and_Spitzer_Space_Telescope%29.jpg?" + i;
  8. i++;
  9. }, 500);
  10. })()
  11. </script>
  12. <body>
  13. When an image is preloaded in javascript, the size of the image is never
  14. reported to the javascript garbage collector. If a large image is repeatedly
  15. preloaded but never used, it will not free any of the images until the
  16. garbage collector has run out of space to allocate any new free javascript
  17. variables. This test passes if after a certain point, the number of allocated
  18. images as reported by the caches window stops growing.
  19. </body>
  20. </html>