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