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> 21
