Zip two arrays in JavaScript
JavaScript interview exercise on Arrays, difficulty 1 of 3. Solve it in the editor beside a worked example; the tests run the moment you do.
Write zip(a, b) that pairs elements by index: [[a[0], b[0]], [a[1], b[1]], ...], stopping at the shorter array.
Each exercise pairs a worked example with a twin problem to solve in a real editor; the tests run the moment you do. Progress is saved in your browser, and in your account if you sign in.