Creating Event Targets - Archive of obsolete content
for example, given the implementation of bookmarkmanager above, your "index.js" could be rewritten like this: var bookmarks = require("./bookmarks"); function logadded(uri) { console.log("added: " + uri); } function logvisited(uri) { console.log("visited: " + uri); } var bookmarkmanager = bookmarks.bookmarkmanager({ onadded: logadded, onvisited: logvisited }); exports.onunload = function() { bookmarkmanager.removelistener("added", logadded); bookmarkmanager.removelistener("visited", logvisited); } ...