I don't think it's a joke. We don't have much context to go on. I get the feeling the author was just exploring/experimenting. Implementing "pointers" and some

I don't think it's a joke. We don't have much context to go on. I get the feeling the author was just exploring/experimenting. Implementing "pointers" and some sort of malloc in javascript probably has very little practical application, but the author may learn a bit more about how memory works. Maybe that is his real goal.