frontend-dorset/javascript/exercises/5/exercise-5-2.html

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Women4IT - JavaScript</title>
<meta name="description" content="Women4IT JavaScript Exercise: Variables -1">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<!-- Customise Bootstrap for practical grid layouts -->
<link rel="stylesheet" href="../assets/css/bootstrap-custom.css">
<style>
.container { padding-top: 40px }
.js-box {
border:solid 1px yellow;
padding:20px;
background-color: lightyellow;
margin-bottom: 48px;
font-size: larger;
}
#resultBox, #resultNum {
border: solid 1px green;
height: 40px;
background-color: #E7FFE7;
width: 280px;
padding: 3px 12px;
}
</style>
</head>
<body>
<div class="container col-md-8 offset-md-2">
<h1><b>Exercise 5-2</b>: JavaScript User Input</h1>
<p>This script captures and displays a value data entered by users.</p>
<h3>Redisplay User Input</h3>
<div class="js-box">
<p>First Name: &nbsp;<input type="text" id="fName"></p>
<p><button onclick="showUserInput()">Show user input</button></p>
<button onclick="resetAll()">Reset All</button></p>
<p>You entered: </p>
<div id="resultBox"></div>
</div>
</div>
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<!-- Popper JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
<script>
function showUserInput() {
/* Place the first name from the input field in a variable */
let userInput = document.getElementById("fName").value;
/* Display the value on the web page */
document.getElementById("resultBox").innerHTML = "<b>"+userInput+"<\/b>";
}
function resetAll() {
document.getElementById("fName").value = "";
document.getElementById("resultBox").innerHTML = "";
}
</script>
</body>
</html>