This Javascript / TypeScript implementation is still doing table + sparse set iteration, so I suspect cache locality is still reasonable. But you'd want to test

This Javascript / TypeScript implementation is still doing table + sparse set iteration, so I suspect cache locality is still reasonable. But you'd want to test to be sure. https://github.com/jakobhellermann/bevy_mod_js_scripting/blob/main/src/runtime/ecs.rs https://github.com/jakobhellermann/bevy_mod_js_scripting/blo... Given how new this effort is, I suspect there are plenty of areas with room for improvement.