Comment #3 on issue 2028 by [email protected]: garbage collection issue
http://code.google.com/p/v8/issues/detail?id=2028
// Sample code here, expect this will express the problem clearly
function API() {
var _history = ["Base Item"],
_listener = {},
_handler,
_self;
this.find = function (successCB, filter) {
var filterResults = _history; // key place! It will work well if I
use utils.copy(_history);
if (filter) {
filterResults = filter(filterResults);
}
setTimeout(successCB(filterResults), 1);
};
this.addListener = function (observerObj) {
_handler = (new Date()).getTime();
_listener[_handler] = observerObj;
};
this.trigger = function (newItems) {
var observerObj = _listener[_handler];
_history.push(newItems);
observerObj(newItems);
};
}
function demo(apis) {
var _historyList;
function successCB(results) {
_historyList = results;
}
function addedCB(newItems) {
// What should be printed here? [] ? ["Base Item"] ? ["Base
Item", "New Item 1"]?
console.log(_historyList);
_historyList = _historyList.concat(newItems);
}
apis.find(successCB, null);
apis.addListener(addedCB);
apis.trigger("New Item 1");
//apis.trigger(["New Item 2"]);
//apis.trigger(["New Item 3"]);
}
var apis = new API();
demo(apis);
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