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Answers for "fibonacci recursion js"

Javascript
2

javascript recursive fibonacci

// Recursion way to return Fibonacci numbers
function recursiveFibonacci(n){
	// base case
	if(n === 0) return 0
  	if(n === 1) return 1
  
  	// recursioin base
  	return recursiveFibonacci(n - 2) + recursiveFibonacci(n - 1);
}
recursiveFibonacci(6) // should return 8

//////// and ////////

// Iteration way to return Fibonacci numbers
function iterativeFibonacci(n) {
  if (n === 0) return 0;
  if (n === 1) return 1;

  let previous = 0;
  let current = 1;
  for (let i = n; i > 1; i--) {
    let next = previous + current;
    previous = current;
    current = next;
  }
  return current;
}

iterativeFibonacci(6) // should return 8
Posted by: Guest on February-11-2021
5

fibonacci javascript

function Fibonacci(num){
	var before = 0;
	var actual = 1;
	var next = 1;

	for(let i = 0; i < num; i++){
		console.log(next)
		before = actual + next;
		actual = next
		next = before
	}
}

Fibonacci(100);
Posted by: Guest on December-14-2020
0

fibonacci best performance javascript

// A sequência começa com 0 e 1, depois,
// os números subsequentes são compostos
// pela soma dos dois números anteriores
// da sequência. Daí:
// (x - 2) + (x - 1) = próximo número da sequência
function fibonacci(n) {
	const list = [0, 1];
	for (let x = 2; x < n + 1; x += 1) {
		list.push(list[x - 2] + list[x - 1]);
	}
	return list[n];
}

console.log(fibonacci(4));
Posted by: Guest on May-28-2020
0

fibonacci series javascript using recursion explanation

1. fib(5) {
    return fib(4) + fib(3);
2.   fib(4) {
      return fib(3) + fib(2);
3.     fib(3) {
        return fib(2) + fib(1);
4.       fib(2) {
A=        return 1;
         };
5.       fib(1) {
B=        return 1;
         };
C=      return 2; // (1 + 1)
       };
6.     fib(2) {
D=      return 1;
       };
E=    return 3; // (2 + 1)
     };
7.   fib(3) {
      return fib(2) + fib(1);
8.     fib(2) {
F=      return 1;
       };
9.     fib(1) {
G=      return 1;
       };
H=    return 2; // (1 + 1)
     };
I=  return 5; // (3 + 2)
   };
Posted by: Guest on August-10-2021

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