JavaScript function to add two integer numbers.

This code snippet is used to find sum of two integer numbers using JavaScript function.

Add two integer numbers

HTML and JavaScript:

<!--Add two integer numbers using JavaScript.-->

<html>
   <head>
      <title>Add two integer numbers using JavaScript.</title>
      <script type="text/javascript">
         function addTwoNumbers(textBox1, textBox2){
         	var x=document.getElementById(textBox1).value;
         	var y=document.getElementById(textBox2).value;
         	var sum=0;
         	sum=Number(x)+Number(y);
         	alert("SUM is: " + sum);
         }
      </script>
   </head>
   <body>
      <h1>Add two integer numbers using JavaScript.</h1>
      <b>Enter first Number: </b><br>
      <input type="text" id="textIn1"/><br>
      <b>Enter second Number: </b><br>
      <input type="text" id="textIn2"/><br><br>
      <input type="button" id="btnSum" value="Calculate SUM" onClick="addTwoNumbers('textIn1','textIn2')"/>
   </body>
</html>

Result:

add two numbers using javascript
Click for DEMO →

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