# write a JavaScript program to calculate multiplication and division of two numbers (input from a user)

You can do calculate the multiplication and division of two numbers (input from a user) by storing the user-entered value into the variables and then perform operations like Multiplication or division by the math formula.

## JavaScript Calculate multiplication and division of two numbers example

HTML example code: A program you will learn about how to find Multiplication and Division of two numbers using JavaScript.

``````<!DOCTYPE html>
<html>
<body>
<form>
1st Number : <input type="text" id="fn" /><br>
2nd Number: <input type="text" id="sn" /><br>

<input type="button" onClick="multiplyBy()" Value="Multiply" />
<input type="button" onClick="divideBy()" Value="Divide" />
</form>

<p>The Result is : <br>
<span id = "result"></span>
</p>

<script type="text/javascript">

function multiplyBy()
{
num1 = document.getElementById("fn").value;
num2 = document.getElementById("sn").value;
document.getElementById("result").innerHTML = num1 * num2;
}

function divideBy()
{
num1 = document.getElementById("fn").value;
num2 = document.getElementById("sn").value;
document.getElementById("result").innerHTML = num1 / num2;
}
</script>
</body>
</html>``````

Output:

Explanation:

document.getElementById(id).value: The value property sets or returns the value of the value attribute of a input text field.

document.getElementById(“result”).innerHTM : The innerHTML property sets or returns the HTML content (inner HTML) of an element.

Do comment if you have any doubts and suggestion on this topic examples codes.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

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