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by bradleybuda 720 days ago
Your point is taken, but the history of Java / the JRE is important here. The JRE turns out to be an excellent (and continuously-improving) virtual machine, but a horrible sandbox.

A huge value prop for early (pre-1.5) Java was sandboxing, but it ended up being clunky, frustrating, and too slow for the browsers / dial-up modems of the era and lost its chance to be the sandbox of choice - leaving the door open for Javascript to win as the world's most widely deployed sandbox.