Fibonacci Recursion example

by jessekinsman

JavaScript

let wr = (msg='--------') => document.write(`<br>${msg}`);

function fibonacci(n) {
    if(n <= 2) {
        return 1;
    }
    else {
        return fibonacci(n - 1) + fibonacci(n - 2);
    }
};

for (var i = 1; i <= 20; i++) {
  wr(`${i}. ${fibonacci(i)}`);
}