Turn on playground for "obj ?= 2"
Turn on playground for "obj ?= 2"

Without it fail with different issue, doesn’t connected to real case:
`Got error message: Unexpected token (1:5)`.

PolymerLabs/babel,maurobringolf/babel,hulkish/babel,samwgoldman/babel,maurobringolf/babel,PolymerLabs/babel,kaicataldo/babel,vadzim/babel,samwgoldman/babel,chicoxyzzy/babel,Skillupco/babel,babel/babylon,jridgewell/babel,babel/babel,hzoo/babel,hulkish/babel,chicoxyzzy/babel,recipesjs/ingredients,chicoxyzzy/babel,hulkish/babel,babel/babel,guybedford/babel,shuhei/babel,wcjohnson/babylon-lightscript,babel/babel,vadzim/babel,jridgewell/babel,guybedford/babel,PolymerLabs/babel,kellyselden/babel,kellyselden/babel,existentialism/babel,babel/babel,existentialism/babel,kaicataldo/babel,danez/babylon,kellyselden/babel,kaicataldo/babel,hzoo/babel,shuhei/babel,jridgewell/babel,hzoo/babel,existentialism/babel,hulkish/babel,kaicataldo/babel,cbishopvelti/babylon,hzoo/babel,Skillupco/babel,maurobringolf/babel,kellyselden/babel,Skillupco/babel,chicoxyzzy/babel,jridgewell/babel,lightscript/babylon-lightscript,shuhei/babel,claudiopro/babel,Skillupco/babel,claudiopro/babel,guybedford/babel,samwgoldman/babel,claudiopro/babel