9.1.6 Checkerboard V1 Codehs Jun 2026

CodeHS Introduction to Programming (JavaScript) Module: 9.1 - Karel Challenges Problem: 9.1.6 Checkerboard v1 Objective: Write a Karel program that places a checkerboard pattern of beepers on a rectangular world of any size (within Karel’s limits).

Are you having trouble with a in your CodeHS console, or does the logic of the modulo operator make sense now? 9.1.6 checkerboard v1 codehs

rect.setColor(Color.WHITE);

A checkerboard alternates colors. If you look at the coordinates (row, col) : CodeHS Introduction to Programming (JavaScript) Module: 9