{"comment":{"position":null,"created_at":"2011-10-24T18:36:46Z","body":"open node's repl and try this:\r\n\r\n```\r\n> a = [1,2,3,4,5]\r\n[ 1, 2, 3, 4, 5 ]\r\n> delete a[2]\r\ntrue\r\n> a.length\r\n5\r\n> a[3]\r\n4\r\n> a[2] === undefined\r\ntrue\r\n>\r\n```","line":null,"commit_id":"50b0c3840dc776a998988b6bc39b08f8d2835f43","updated_at":"2011-10-24T18:36:46Z","url":"https://api.github.com/repos/kriszyp/multi-node/comments/671197","id":671197,"path":null,"user":{"avatar_url":"https://secure.gravatar.com/avatar/4625cc3a305e2a7c2ccb902b5da5de04?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","gravatar_id":"4625cc3a305e2a7c2ccb902b5da5de04","url":"https://api.github.com/users/neonstalwart","id":84763,"login":"neonstalwart"}},"legacy":{"commit":"50b0c3840dc776a998988b6bc39b08f8d2835f43","comment_id":671197}}