Closures & Functions

Flip Function Arguments

easyJS SpecificJS / TS3 tests

Problem Statement

Implement `flip(fn)` that creates a function that invokes `fn` with its first two arguments reversed.

Example 1:
const subtract = (a, b) => a - b;
const flipped = flip(subtract);
flipped(2, 5); // 5 - 2 = 3

JavaScript & TypeScript starter code included

3 test cases. No second person needed.