How to add TextBox value in Java Script

<!DOCTYPE html>

<html>
<head>
    <title>encode and decode</title>
    <script type="text/javascript" >

        function validation() {

            var firstvalue = document.getElementById('first');
            var secondvalue = document.getElementById('second');
            var finalvalue = eval((firstvalue.value)+ "+" +( secondvalue.value));
            alert(finalvalue);

        }
        
    </script>
</head>
<body>
<h1>Addition of two or more number</h1>

Enter Number<input type="text" name="gt" value="" id="first" /><br />
Enter Second<input type="text" name="gt" value="" id="second" />
<button onclick="validation();">Add number</button>

</body>
</html>

Code generate the following output

How to add TextBox value in Java Script
How to add TextBox value in Java Script How to add TextBox value in Java Script Reviewed by Jacob Lefore on April 06, 2015 Rating: 5

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