const isEven = (num) => { if (typeof num === 'number' && Number.isInteger(num)) return num % 2 === 0 ? true : false }
const isEven=i=>typeof i==="number"&&i!==Infinity&&Math.floor(i)===i?i%2===0:undefined- const isEven = (num) => {
- if (typeof num === 'number' && Number.isInteger(num)) return num % 2 === 0 ? true : false
- }
Recursion
Mathematics
function fibonacci(n) { if (n === 0) return 0; if (n === 1) return 1; return fibonacci(n - 1) + fibonacci(n - 2); }
- function fibonacci(n) {
if (n === 0) {return 0;}if (n === 1) {return 1;}return fibonacci(n - 1) + fibonacci(n - 2);- if (n === 0) return 0;
- if (n === 1) return 1;
- return fibonacci(n - 1) + fibonacci(n - 2);
- }