ES6 syntax not compatible on IE11. Fixing it to make it IE11 compatible (#4876)
ES6 syntax not compatible on IE11. Fixing it to make it IE11 compatible (#4876)


javatlacati/codecombat,javatlacati/codecombat,codecombat/codecombat,codecombat/codecombat,javatlacati/codecombat,codecombat/codecombat,jeremiahyan/codecombat,jeremiahyan/codecombat,codecombat/codecombat,jeremiahyan/codecombat,codecombat/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,javatlacati/codecombat