| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>ECG Graph</title> | |
| <style> | |
| canvas { | |
| border: 1px solid black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <button id="show-button">Show ECG</button> | |
| <canvas id="ecg-canvas" width="400" height="100"></canvas> | |
| <script src="script.js"></script> | |
| </body> | |
| </html> | |