fix in field.js
fix in field.js

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