JAVASCRIPT

Fibonacci Series in javascript

function fibonacciSeries(number) {
    let fibo = [0, 1]
    for (var i = 2; i <= number; i++) {
        fibo[i] = fibo[i - 1] + fibo[i - 2];
    }
    return fibo;
}
console.log(fibonacciSeries(10))
//Output: [ 0, 1,  1,  2,  3,5, 8, 13, 21, 34, 55]

Fibonacci Series Program. in javascript

<script>
//Fibonacci Series using Recursion
    let n = 9;
     
    // function returns the Fibonacci number
    function fib(n) {
    if (n <= 1)
        return n;
    return fib(n-1) + fib(n-2);
}
  
    //function call
    document.write(fib(n));
//This code is contributed by Surbhi Tyagi
</script>

fibonacci series in javascript

// fibonacci series in javascript
const fibonacciSeries = (num) => {
    let arr = [];
    for(let i = 0; i <= num; i++) {
      if(i == 0 || i == 1){
        arr[i] = i;
      }else{
        arr[i] = arr[i - 1] + arr[i - 2];
      }
    }
    return arr;
}
console.log(fibonacciSeries(6)) //[ 0, 1,  1,  2,  3, 5, 8];