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dmd-3475/week-8/events1.html
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>Events: Task 1</title> | |
| <style> | |
| p { | |
| color: purple; | |
| margin: 0.5em 0; | |
| } | |
| * { | |
| box-sizing: border-box; | |
| } | |
| button { | |
| display: block; | |
| margin: 20px 0 20px 20px; | |
| } | |
| </style> | |
| <link rel="stylesheet" href="../styles.css" /> | |
| </head> | |
| <body> | |
| <section class="preview"> | |
| </section> | |
| <button class="off">Machine is off</button> | |
| </body> | |
| <script> | |
| let btn = document.querySelector('.off'); | |
| btn.addEventListener('click', updateButton) | |
| let off = true; | |
| function updateButton() { | |
| if (off) { | |
| btn.innerHTML = 'Machine is on'; | |
| off = false; | |
| } else { | |
| btn.innerHTML = 'Machine is off' | |
| off = true; | |
| } | |
| } | |
| </script> | |
| </html> |