make getComputedStyle test only on first buggy property request
make getComputedStyle test only on first buggy property request

basisjs/basisjs,smelukov/basisjs,fateevv/basisjs,istrel/basisjs,basisjs/basisjs,fateevv/basisjs,tyanas/basisjs,basisjs/basisjs,tyanas/basisjs,smelukov/basisjs,smelukov/basisjs,tyanas/basisjs,fateevv/basisjs,istrel/basisjs,istrel/basisjs