Multiply arguments
JavaScript
const mul = (...args) => args.reduce((a, b) => a * b)TypeScript
const mul = (...args: number[]): number => args.reduce((a, b) => a * b)Examples
mul(1, 2, 3, 4) // 24const mul = (...args) => args.reduce((a, b) => a * b)const mul = (...args: number[]): number => args.reduce((a, b) => a * b)mul(1, 2, 3, 4) // 24