Confused about javascript function returning multiple functions with many fat arrow

Question

I have problem with my cs homework. I need to access the x value of the function, but my codes is returning me an empty function instead of with the values

Answer 1

Not sure if I understand your question correctly or not but I guess you are trying to do this

const pair = (x, y) => f => f(x, y); 
const head = (x, y) => x;

console.log((pair(1,2)(head)))

if not then this one from above is correct

const pair = (x, y) => f => f(x, y); 
const head = f => f(a => a);

console.log(head(pair(1,2)))