Table of Contents

## Program of the Fibonacci series in Javascript JS with the flowchart

In this tutorial, we will try to learn the followings;

- Flowchart of the Fibonacci series program.
- Javascript program to show the Fibonacci series.
- javascript program to show the Fibonacci series with form values entered by the user.

**Flowchart of the Fibonacci series program.**

Note that this flowchart is drawn by considering the C++ program of Fibonacci series. So it may be little different as we write the code below in Javascript.

**Javascript program to show the Fibonacci series.**

<!DOCTYPE html> <html> <head><title>fabonnic series</title> <script> function fab(){ var A = 0; var B = 1; var C; var N = document.getElementById("number").value; document.write(A+"<br />"); document.write(B+"<br />"); for(var i=3; i <= N;i++) { C = A + B; A = B; B = C; document.write(C+"<br />"); } } </script> </head> <body> <h2> Please input any Number<input id="number" value="15"> <button type="button" onclick="fab()">fab</button> </h2> </body> </html>

**javascript program to show the Fibonacci series with form values entered by the user.**

<!DOCTYPE html> <html> <head><title>fibonacci series</title> <script> function fib(){ var A = 0; var B = 1; var C; var N = document.getElementById("number").value; document.write(A+"<br />"); document.write(B+"<br />"); for(var i=3; i <= N;i++) { C = A + B; A = B; B = C; document.write(C+"<br />"); } } </script> </head> <body> <h2> Please Enter any Number<input id="number" value=""> <button type="button" onclick="fib()">fib</button> </h2> </body> </html>

**Topic Covered**

Program of the Fibonacci series in Javascript JS with the flowchart.

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