Also, when adding many elements (or not so many, but over and over), add them to a DocumentFragment [ http://developer.mozilla.org/en-US/docs/Web/API/DocumentFrag... ] first, and then attach that to the DOM in one piece (one big DOM update is better than many small ones).
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Also, when adding many elements (or not so many, but over and over), add them to a DocumentFragment [ http://developer.mozilla.org/en-US/docs/Web/API/DocumentFrag... ] first, and then attach that to the DOM in one piece (one big DOM update is better than many small ones).