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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta http-equiv="X-UA-Compatible" content="IE=edge">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Greeting Page</title>
- </head>
- <body>
- <h1 id="greet">👉Greeting will appear here.👈</h1>
- <!-- Form with web visitors input. -->
- <form>
- <label for="time">Enter the time:</label><br>
- <input type="number" name="time" id="hours" min="0" max="23" step="1" autofocus value="12">
- <span>:00</span>
- <br>
- <br>
- <input type="button" value="Greet me!" onclick="greetMe()">
- </form>
- <script>
- function greetMe() {
- var inHours = document.getElementById('hours').value;
- var answer = "Good ";
- if (inHours < 12) { answer = answer + "morning." }
- else if (inHours < 18) { answer = answer + "afternoon."}
- else { answer = answer + "evening." }
- // Input Validation - check if entered hours are correct
- if (inHours < 0 || inHours > 23) {
- var answer = "You entered incorrect hours!";
- document.getElementById('hours').value = 0;
- }
- document.getElementById('greet').innerHTML = answer;
- }
- </script>
- </body>
- </html>
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