4 ms·But developing in JS is consideray slower than in Ruby, and time to market should be king.by bnt 7y agoBut developing in JS is consideray slower than in Ruby, and time to market should be king.saagarjha 7y ago> time to market should be king Eh, not really.tln 7y agoOn a mobile device, efficiency should be king... that's not exactly Ruby's forte I'm skeptical of your first point as wellbnt 7y agoHow does backend development reflect on mobile?tln 7y ago"Ruby could have been Swift" Swift's raison d'etre is mobile development