{wheeze} I love solutions like this

Is anyone able to explain exactly how this works?!

I get the concept but my god XD

5318008

Look at all the creatively stunted people downvoting you for being correct.

'The customer has asked for a painting of their cat'
'well I took a picture and saved some time'
'but they asked for a painting'
'but efficiency'

Lambda function, brilliantly written. Got it.

Yo, what? That's insane, what's the name of this... method? technique?

I came here to say this, in less polite terminology xD

I ended up just doing 4 lines instead of one, but this. This is why I do codewars. sorted & sort. Excellent

It's called Currying. Though getting it to perform recursively in Typescript is proving nigh impossible.

Goddamn you had me laughing so hard I had a coughing fit.

Amen.

It's doing a conversion to string, providing the base number you want it to be converted to/from.
In this case, providing base 2 means that it will be converted to binary. Similarly, base 8, 10 and 16 can also be used.
Base10 being standard numbering. I think.