> Is this something that is guaranteed by javascript? In theory? No. In practice? ... Still no, if you use delete. https://developer.mozilla.org/en/JavaScr

> Is this something that is guaranteed by javascript? In theory? No. In practice? ... Still no, if you use delete. https://developer.mozilla.org/en/JavaScript/Reference/Operators/Special/delete#Cross-browser_issues https://developer.mozilla.org/en/JavaScript/Reference/Operat...