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javascript get fibonacci number

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Zé Pedro Mota answered on June 16, 2020 Popularity 9/10 Helpfulness 4/10

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javascript get fibonacci number

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/**
 * Method that calculates the Fibonacci Sequence and returns the n'th value of the sequence
 * @param {*} pos 
 */
const getFibPosition = (pos) => {
    if (pos === 0) return null;
    if (pos === 1) return 0;
    if (pos === 2) return 1;

    let fibArray = [0, 1];
    let aux1, aux2;

    for (let i = 2; i < pos; i++) {
        aux1 = fibArray[i - 1];
        aux2 = fibArray[i - 2];

        fibArray.push(aux1 + aux2);
    }

    return fibArray[pos - 1];
}

Popularity 9/10 Helpfulness 4/10 Language javascript

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Tags: fibonacci get javascript

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Contributed on Apr 19 2022

Zé Pedro Mota

0 Answers Avg Quality 2/10

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javascript fibonacci example

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// number fibonnaci to array format
function fibonacci(nums) {
  
  let fib = [0, 1];
  let data = [];
  
  for(let i = 2; i <= nums; i++) {
    fib[i] = fib[i - 1] + fib[i - 2]; 
    data.push(fib[i]);
  }
  
  return data;
}

Popularity 10/10 Helpfulness 4/10 Language javascript

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Tags: fibonacci fibo

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Contributed on Jun 16 2020

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

fibonacci sequence javascript

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function fibonacciGenerator (n) {
  var outPut = [];
  if (n === 1){
    outPut = [0];
  }
  else if (n === 2){
    outPut = [0,1];
  }else{
    outPut = [0,1];
    for(var i = 2; i < n; i++){
      outPut.push(outPut[outPut.length - 2] + outPut[outPut.length - 1])
    }    
  }//Return an array of fibonacci numbers starting from 0.
    console.log(outPut)
    return outPut
}
fibonacciGenerator(8);

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Tags: fibonacci fibo

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Contributed on Sep 28 2022

Jeremy L

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js fibonacci sequence

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var i;
    var fib = []; // Initialize array!

    fib[0] = 0;
    fib[1] = 1;
    for (i = 2; i <= 10; i++) {
      // Next fibonacci number = previous + one before previous
      // Translated to JavaScript:
      fib[i] = fib[i - 2] + fib[i - 1];
      console.log(fib[i]);
    }

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Contributed on Jul 03 2020

Zeevx

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fibonacci sequence js

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fibonacci sequence

const fib = (n) =>
    isNaN(n) ? "Not a number" : (n === 0 || n === 1) ? n : fib(n - 1) + fib(n - 2)

const fib_seq = (to) =>
    isNaN(to) ? "Not a number" : [...Array(to).keys()].map(i => fib(i)).join(', ');

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Contributed on Jun 20 2023

Light Lapwing

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js how to get n fibonacci number

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function getFibonacci(n) {
    let a = 1;
    let b = 1;

    for (let i = 3; i <= n; i++) {
      let c = a + b;
      a = b;
      b = c;
    }

    return b;
  }

  console.log(getFibonacci(3)); // => 2
  console.log(getFibonacci(7)); // => 13
  console.log(getFibonacci(20)); // => 6765
  console.log(getFibonacci(77)); // => 5527939700884757

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Contributed on May 18 2022

Condemned Corncrake

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fibonacci sequence in js

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function fibonacciGenerator (n) {        
    var out = []
    for (var i = 0; i < n; i++) {
        out.round(Math.round((1 / Math.sqrt(5)) * (((Math.pow(1 + Math.sqrt(5), i)) / (Math.pow(2, i))) - ((Math.pow(1 - Math.sqrt(5), i)) / (Math.pow(2, i))))))
    }
    return out
    }
    
console.log(fibonacciGenerator())

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Contributed on Jun 06 2023

Poor Coconuty

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javascript get fibonacci number

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