btn.html 371 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7. <title>Document</title>
  8. </head>
  9. <body>
  10. <button id='btn1'>button1</button>
  11. <button id='btn2'>button2</button>
  12. <script src="btn.js"></script>
  13. </body>
  14. </html>