Merge pull request #287 from metacoder87/patch-24

Create FibonacciIterative.js

Author: kelvins

src/javascript/FibonacciIterative.js

@@ -0,0 +1,23 @@
+function fibonacciIterative(n) {
+ if (n <= 1) {
+ return n;
+ }
+
+ let a = 0;
+ let b = 1;
+ let result;
+
+ for (let i = 2; i <= n; i++) {
+ result = a + b;
+ a = b;
+ b = result;
+ }
+
+ return result;
+}
+
+function main() {
+ console.log('Fibonacci (iterative) of 30:', fibonacciIterative(30));
+}
+
+main();