Using heavy javascript computation in low performant mobiles, isn't the same as playing Playstation 4 games on a Playstation 3? You will need to go Playstation

Using heavy javascript computation in low performant mobiles, isn't the same as playing Playstation 4 games on a Playstation 3? You will need to go Playstation 3 native for performance, otherwise, you will not be able to do much computation.