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

## Program of the Fibonacci series in Javascript JS with the flowchart In this tutorial, we will try to learn the followings;

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

Flowchart of the Fibonacci series program. Figure: Fibonacci-series-algorithm

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>
<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>
<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>
<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> Prof. Fzal Rehman ShamilInstructor, Researcher, Blogger, SEO Expert, Poet and Publisher of International Journal Of Software, Technology & Science ISSN : 2616 - 5325