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I don't see why its relevant how fast it can render templates: Wouldn't anything more than once or twice a second be sufficient for general needs?

Edit: I also want to point out that the linked page above is user editable, and allows remotely hosted javascript (by design). Beware :/

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In JS web apps, the most common speed constraint you'll encounter is how fast you can render views and update the DOM. Imagine trying to render 500 list items ... say, contacts in an address book -- you don't really want that to take 3 seconds on an iPad. If it works for your needs, that's fantastic, but it's nice to be aware of the performance relative to alternatives that accomplish the same goal.

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