JavaScript-Apt-App/emp.html at master · AnthonyDeFallo/JavaScript-Apt-App · GitHub

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<!DOCTYPE html>
<head>
<title>Tip Calculator</title>
<link href="style.css" rel="stylesheet" type="text/css">
</head>

<body>
<div id="wrapper">
    <header>
        <h1>Tip Calculator</h1>
    </header>
    <form action="javascript:void(calc())">
        Amount: $<input id="bill" type="text">
        <br>
        <input type="submit" value="Calculate">
        <br>
        Tip: <span id="tip"></span>
        <br>
        Total: <span id="total"></span>
    </form>
</div>
<script>
    function calc() {
        var bill = Number(document.getElementById('bill').value);
        var tip = bill * .15;
        var total_bill = bill + tip;

        document.getElementById("tip").innerHTML= "$"+Number(tip).toFixed(2);
        document.getElementById("total").innerHTML= "$"+Number(total_bill).toFixed(2);
    }
</script>
</body>