JavaScript JS program to find the factorial of a number with form, database, and flowchart

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

Flowchart of JavaScript JS program to find the factorial of a number.
JavaScript JS program to find the factorial of a number.
JavaScript JS program to find the factorial of a number with form.

Flowchart of JavaScript JS program to find the factorial of a number.

factorial flowchart with program — **Figure:** factorial flowchart with the program.

JavaScript JS program to find the factorial of a number.

<!doctype html>
<html>
<head>
<script>
function factori(){
var k, no, fact;
fact=1;
no=6;
for(k=1; k<=no; k++)  
{
fact= fact*k;
}  
document.getElementById("answer").value= fact;
}
</script>
</head>
<body>
Enter the Num: <input id="number" value="6">
<button onclick="factori()">Factorial</button>
<input id="answer">
</body>
</html>

<!doctype html>

<html>

<head>

function factori(){

var k, no, fact;

fact=1;

no=6;

for(k=1; k<=no; k++)

{

fact= fact*k;

}

document.getElementById("answer").value= fact;

}

</script>

</head>

<body>

Enter the Num: <input id="number" value="6">

<button onclick="factori()">Factorial</button>

</body>

</html>

JavaScript JS program to find the factorial of a number with form.

<html>
<head>
<script>
function showfact(){
var j, no, fact;
fact=1;
no=Number(document.getElementById("num").value);
for(j=1; j<=no; j++)  
{
fact= fact*j;
}  
document.getElementById("factorial").value= fact;
}
</script>
</head>
<body>
Enter Num: <input id="num">
<button onclick="showfact()">Factorial</button>
<input id="factorial">
</body>
</html>

<html>

<head>

function showfact(){

var j, no, fact;

fact=1;

no=Number(document.getElementById("num").value);

for(j=1; j<=no; j++)

{

fact= fact*j;

}

document.getElementById("factorial").value= fact;

}

</script>

</head>

<body>

Enter Num: <input id="num">

<button onclick="showfact()">Factorial</button>

</body>

</html>

Topic Covered:

JavaScript JS program to find the factorial of a number with form, database, and flowchart.

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