evil-numbers.ts

const range = (m: number, n: number): number[] => Array.from(Array(n - m + 1).keys()).map(n => n + m)

const isEvil = (n: number): boolean => (
	 n.toString(2).split('').filter((x) => x === '1').length % 2 == 0
)

range(0, 50).filter(isEvil)

// print
console.log(range(0,50).filter(isEvil).join('\n'))

// Compiled

const range = (m, n) => Array.from(Array(n - m + 1).keys()).map(n => n + m);
const isEvil = (n) => (n.toString(2).split('').filter((x) => x === '1').length % 2 == 0);
range(0, 50).filter(isEvil);
// print
console.log(range(0, 50).filter(isEvil).join('\n'));