It makes sense to ask this about new/niche languages, most others will be supported and around for a while. And the niche languages are a rounding error in the

It makes sense to ask this about new/niche languages, most others will be supported and around for a while. And the niche languages are a rounding error in the job market (they come up on HN disproportionately more often). JavaScript and Python haven't come up in this thread at all so far and they're two most popular languages and will stay around for some time.