It does happen obviously: https://en.wikipedia.org/wiki/Space%E2%80%93time_tradeoff https://en.wikipedia.org/wiki/Space%E2%80%93time_tradeoff But yes, running

It does happen obviously: https://en.wikipedia.org/wiki/Space%E2%80%93time_tradeoff https://en.wikipedia.org/wiki/Space%E2%80%93time_tradeoff But yes, running another browser + javascript interpreter on a machine that already has a browser + javascript interpreter running isn't what that article is talking about.