What was the strategy of united stATes in struggle to reconquer pacific islands?

The strategy used by the US in struggling to recapture the conquered Pacific islands in 1944 can be summarized as "leapfrogging." Leapfrogging involved bypassing heavily fortified Japanese bases and focusing their effort instead on the weaker island or less defended areas, effectively "leaping "past strong point to strike at more exposed locations that would leave the larger fortress isolated , making their eventual capture easier than it would have been had they attempted capture of fortified islands one after another , one at a time