js fibonacci sequence

1// declare the array starting with the first 2 values of the fibonacci sequence
2    let fibonacci = [0,1];
3    
4    function listFibonacci(num) {
5    // starting at array index 1, and push current index + previous index to the array
6        for (let i = 1; i < num; i++) {
7            fibonacci.push(fibonacci[i] + fibonacci[i - 1]);
8        }
9        console.log(fibonacci);
10    }
11    
12    listFibonacci(10);
13    

1function Fibonacci(num){
2	var before = 0;
3	var actual = 1;
4	var next = 1;
5
6	for(let i = 0; i < num; i++){
7		console.log(next)
8		before = actual + next;
9		actual = next
10		next = before
11	}
12}
13
14Fibonacci(100);

1// number fibonnaci to array format
2function fibonacci(nums) {
3  
4  let fib = [0, 1];
5  let data = [];
6  
7  for(let i = 2; i <= nums; i++) {
8    fib[i] = fib[i - 1] + fib[i - 2]; 
9    data.push(fib[i]);
10  }
11  
12  return data;
13}

1function Fibonacci(valor){
2	var anterior = 0;
3	var atual = 1;
4	var proximo = 1;
5
6	for(let i = 0; i < valor; i++){
7		console.log(proximo)
8		anterior = atual + proximo;
9		atual = proximo
10		proximo = anterior
11	}
12}
13
14Fibonacci(100);

1var i;
2    var fib = []; // Initialize array!
3
4    fib[0] = 0;
5    fib[1] = 1;
6    for (i = 2; i <= 10; i++) {
7      // Next fibonacci number = previous + one before previous
8      // Translated to JavaScript:
9      fib[i] = fib[i - 2] + fib[i - 1];
10      console.log(fib[i]);
11    }

1// program to generate fibonacci series up to a certain number
2
3// take input from the user
4const number = parseInt(prompt('Enter a positive number: '));
5let n1 = 0, n2 = 1, nextTerm;
6
7console.log('Fibonacci Series:');
8console.log(n1); // print 0
9console.log(n2); // print 1
10
11nextTerm = n1 + n2;
12
13while (nextTerm <= number) {
14
15    // print the next term
16    console.log(nextTerm);
17
18    n1 = n2;
19    n2 = nextTerm;
20    nextTerm = n1 + n2;
21}