Today, We want to share with you add two numbers in javascript.In this post we will show you JavaScript Variables and Constants, hear for JavaScript Operators we will give you demo and example for implement.In this post, we will learn about How To Added 2 Numbers In Javascript Using Textbox? with an example.
JavaScript Program to Add Two Numbers
here i learn to Adding 2 numbers concatenates them instead of calculating the sum.
Find Sum of 2 Numbers Using JavaScript
<!doctype html>
<html>
<head>
<script>
function add(){
var a,b,c;
a=Number(document.getElementById("primary").value);
b=Number(document.getElementById("secondary").value);
c= a + b;
document.getElementById("results").value= c;
}
</script>
</head>
<body>
Enter the First number : <input id="primary">
Enter the Second number: <input id="secondary">
<button onclick="add()">Added</button>
<input id="results">
</body>
</html>
Example 1: Add 2 Numbers
const primary = 5;
const secondary = 3;
// add 2 numbers
const total = primary + secondary;
// display the total
console.log('The total of ' + primary + ' and ' + secondary + ' is: ' + total);
Results
The total of 5 and 3 is: 8
Example 2: Add 2 Numbers Entered by the User
Code
// store input numbers
const primary = parseInt(prompt('Enter the primary number '));
const secondary = parseInt(prompt('Enter the secondary number '));
//add 2 numbers
const total = primary + secondary;
// display the total
console.log(`The total of ${primary} and ${secondary} is ${total}`);
Results
Enter the primary number 5 Enter the secondary number 3 The total of 5 and 3 is: 8
javascript how to sum 2 numbers
how to add 2 numbers in javascript
let a = 4; let b = 5; document.write(a + b);
javascript function to add 2 numbers
<!--Added 2 integer numbers using JavaScript.-->
<html>
<head>
<title>Added 2 integer numbers using JavaScript. - www.pakainfo.com</title>
<script type="text/javascript">
function addTwoNumbers(textBox1, textBox2){
var x=document.getElementById(textBox1).value;
var y=document.getElementById(textBox2).value;
var total=0;
total=Number(x)+Number(y);
alert("SUM is: " + total);
}
</script>
</head>
<body>
<h2>Added 2 integer numbers using JavaScript.</h2>
<b>Enter primary Number: </b><br>
<input type="text" id="userData1"/><br>
<b>Enter secondary Number: </b><br>
<input type="text" id="userData2"/><br><br>
<input type="button" id="btnSum" value="Calculate SUM" onClick="addTwoNumbers('userData1','userData2')"/>
</body>
</html>
Added 2 numbers javascript
var x = 2 + 3; //x = 5
JavaScript Arithmetic Operators
Arithmetic operators are used to perform arithmetic on numbers:
| Operator | Description |
|---|---|
| + | Addition |
| – | Subtraction |
| * | Multiplication |
| ** | Exponentiation (ES2016) |
| / | Division |
| % | Modulus (Division Remainder) |
| ++ | Increment |
| — | Decrement |
I hope you get an idea about javascript sum of numbers.
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I am Jaydeep Gondaliya , a software engineer, the founder and the person running Pakainfo. I’m a full-stack developer, entrepreneur and owner of Pakainfo.com. I live in India and I love to write tutorials and tips that can help to other artisan, a Passionate Blogger, who love to share the informative content on PHP, JavaScript, jQuery, Laravel, CodeIgniter, VueJS, AngularJS and Bootstrap from the early stage.