Hi there thank you for visiting my website I have a very busy week in my work that why I was not able to update my blog anyway moving forward. In this sample program will show you how to add and subtract two numbers using HTML forms in JavaScript. The code is very easy to understand for beginners that are new in JavaScript. I hope you will find my work useful.
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Sample Program Output
Program Listing
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Addition and Subtraction of Two Numbers in JavaScript</title>
<style type="text/css">
body {
font-family:arial;
font-size:12;
font-weight:bold;
background-color:lightgreen;
margin: 30px;
}
</style>
</head>
<body>
<script>
function AdditionBy()
{
num1 = document.getElementById("first").value;
num2 = document.getElementById("second").value;
document.getElementById("result").innerHTML = Number(num1) + Number(num2);
}
function SubtractionBy()
{
num1 = document.getElementById("first").value;
num2 = document.getElementById("second").value;
document.getElementById("result").innerHTML = Number(num1) - Number(num2);
}
</script>
<hr>
<h2> Addition and Subtraction of Two Numbers in JavaScript </h2>
<hr>
<form>
Give 1st Number : <input type="text" id="first" maxlength="4"/ size="4"><br>
Give 2nd Number : <input type="text" id="second" maxlength="4" size="4" />
<br><br>
<input type="button" onClick="AdditionBy()" Value="Addition"
title="Click here to find the sum of the two numbers." />
<input type="button" onClick="SubtractionBy()"
title="Click here to find the differece of the two numbers."
Value="Subtraction" />
</form> <br><br>
<p>The Final Result is :
<span id = "result"></span>
</p>
</body>
</html>
