108 lines
3.6 KiB
HTML
108 lines
3.6 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Women4IT - JavaScript</title>
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<meta name="description" content="Women4IT JavaScript Exercise">
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<!-- Bootstrap CSS -->
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<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
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<!-- Customise Bootstrap for practical grid layouts -->
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<link rel="stylesheet" href="../assets/css/bootstrap-custom.css">
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<!-- Link to icons for Font Awesome 5 -->
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<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css" rel="stylesheet" integrity="sha512-1PKOgIY59xJ8Co8+NE6FZ+LOAZKjy+KY8iq0G4B3CyeY6wYHN3yt9PW0XpSriVlkMXe40PTKnXrLnZ9+fkDaog==" crossorigin="anonymous">
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<style>
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.container { padding-top: 40px }
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.js-box {
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border:solid 1px yellow;
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padding:20px;
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background-color: lightyellow;
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margin-bottom: 48px;
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font-size: larger;
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}
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#resultBox, #resultNum {
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border: solid 1px green;
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height: 40px;
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background-color: #E7FFE7;
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width: 280px;
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padding: 3px 12px;
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}
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.js-box p span { display: inline-block; min-width: 200px }
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button, button:link, button:visited {
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text-decoration: none;
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padding: 11px 18px; font-size: 16px; font-weight: bold;
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color:#fff; background-color: blue;
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outline: none; border-width: 0;
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}
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button:focus, button:hover, button:active {
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background-color: darkblue;
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color: #fff;
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}
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button i { color: #fff; margin-right: 10px }
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</style>
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</head>
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<body>
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<div class="container col-md-8 offset-md-2">
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<h1><b>Exercise 6-1</b>: JavaScript Functions with Parameters</h1>
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<p>A script that passes multiple parameters to an arithmetic function.</p>
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<h3>Calculate Average of Three Numbers</h3>
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<div class="js-box">
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<p><span>First Number</span> <input type="text" id="number-1"></p>
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<p><span>Second Number</span> <input type="text" id="number-2"></p>
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<p><span>Third Number</span> <input type="text" id="number-3"></p>
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<p><button id="btnCalc"><i class="fas fa-calculator"></i> Display Average</button></p>
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<p><b>Result</b>: </p>
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<div id="resultBox"></div>
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</div>
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</div>
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<script>
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document.getElementById("btnCalc").addEventListener('click', doCalc);
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function doCalc() {
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// Assign user inputs to variables
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let x = parseFloat(document.getElementById("number-1").value)
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let y = parseFloat(document.getElementById("number-2").value);
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let z = parseFloat(document.getElementById("number-3").value);
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// Calculate the average
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getAverage(x, y, z);
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}
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function getAverage(x,y,z) {
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// Calculate the average
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let average = (x + y + z) / 3;
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// Display result to user
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document.getElementById("resultBox").innerHTML = average;
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}
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</script>
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<!-- jQuery library -->
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
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<!-- Popper JS -->
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<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
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<!-- Latest compiled JavaScript -->
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<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
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</body>
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</html> |