Created
October 29, 2010 16:22
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| <!DOCTYPE HTML> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="refresh" content="2;url="> | |
| <title>Leak Fix with Lookup Wrapper</title> | |
| <script src="helper.js"></script> | |
| <script> | |
| var _cache = {}; | |
| var createWrapper = (function(){ | |
| var id = 0; | |
| function createLookupHandler(id){ | |
| return function(){ | |
| if(id in _cache && _cache[id]){ | |
| _cache[id].apply(this, arguments); | |
| } | |
| }; | |
| } | |
| function createWrapper(elem, func){ | |
| var cid = id++, | |
| wrapper = createLookupHandler(cid); | |
| _cache[cid] = { | |
| handler: wrapper, | |
| element: elem | |
| }; | |
| return wrapper; | |
| } | |
| return createWrapper; | |
| })(); | |
| function listen(node, evt, handler){ | |
| var wrapper = createWrapper(node, handler); | |
| _listen(node, normalizeEventName(evt), wrapper); | |
| return wrapper; | |
| } | |
| function stopListening(node, evt, handler){ | |
| _stopListening(node, evt, handler); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div id="container"></div> | |
| <script> | |
| (function(){ | |
| var i =-1, l = 1000, container = document.getElementById("container"); | |
| while (++i < l){ | |
| var e = document.createElement("div"); | |
| (function(elem){ | |
| function LeakFunc(){ | |
| elem.innerHTML = "foo"; | |
| } | |
| listen(elem, "onclick", LeakFunc); | |
| container.appendChild(elem); | |
| })(e); | |
| } | |
| container.innerHTML = ""; | |
| })(); | |
| </script> | |
| </html> |
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