JavaScript-Programs/swap.html at master · softwaredeveloperhub01/JavaScript-Programs · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    Value of a: <input id="first">
    Value of b: <input id="second"></br></br>
    <button onclick="swap()">Swap</button></br></br>
    Value of a: <input id="answer1">
    Value of b: <input id="answer2">
    <script>
        function swap() {
            var a, b, c;
            a = Number(document.getElementById("first").value);
            b = Number(document.getElementById("second").value);
            c = a;
            a = b;
            b = c;
            document.getElementById("answer1").value = a;
            document.getElementById("answer2").value = b;
        }
    </script>
</body>

</html>