Calculate the mod of collection index
JavaScript version
const mod = (a, b) => ((a % b) + b) % b;TypeScript version
const mod = (a: number, b: number): number => ((a % b) + b) % b;Examples
mod(-1, 5); // 4
mod(3, 5); // 3
mod(6, 5); // 1JavaScript version
const mod = (a, b) => ((a % b) + b) % b;TypeScript version
const mod = (a: number, b: number): number => ((a % b) + b) % b;Examples
mod(-1, 5); // 4
mod(3, 5); // 3
mod(6, 5); // 1