This is a simple Java Script code which displays the fibonacci series upto the range given.
First we create a text field to enter some value and a button which on clicked calls the JavaScript function.
The HTML part is ,
then it looks like,
Now when we enter the value and click the 'Calculate' button the script for calculating fibonacci will run,
The function fibonacci() gets the input from the html by,
now we will perform the actual logic for generating finonacci series
The complete HTML file code is as below,
OUTPUT :
Enter Some Value :
First we create a text field to enter some value and a button which on clicked calls the JavaScript function.
The HTML part is ,
Enter Some Value :<input type = "text" id= "val" ></input></br> <input type = "button" value ="Calculate" onclick="fibonacci()">
then it looks like,
 |
| JavaScript - Fibonacci Series |
Now when we enter the value and click the 'Calculate' button the script for calculating fibonacci will run,
<script type="text/javascript">
function fibonacci(){
var a = 0, b = 1, c = 0;
var res = document.getElementById("val").value;
while (b <= res) {
document.write(c);
document.write("</br>");
c = a + b;
a = b;
b = c;
}
}
</script>
 |
| JavaScript - Fibonacci Series |
The function fibonacci() gets the input from the html by,
var res = document.getElementById("val").value;
now we will perform the actual logic for generating finonacci series
while (b <= res) {
document.write(c);
document.write("</br>");
c = a + b;
a = b;
b = c;
}
 |
| JavaScript - Fibonacci Series |
The complete HTML file code is as below,
<html>
<body>
Enter Some Value :<input type = "text" id= "val" ></input></br>
<input type = "button" value ="Calculate" onclick="fibonacci()">
<script type="text/javascript">
function fibonacci(){
var a = 0, b = 1, c = 0;
var res = document.getElementById("val").value;
while (b <= res) {
document.write(c);
document.write("</br>");
c = a + b;
a = b;
b = c;
}
}
</script>
</body>
</html>
OUTPUT :
Enter Some Value :
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