Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <style> table, th, td { border: 1px solid black; } </style> </head> <body> <table id="myTable"> <tbody> <tr> <td>Cell 1</td> </tr> <tr> <td>Cell 2</td> </tr> </tbody> </table> <p>单击按钮创建一个 THEAD 元素（以及一个 TR 和一个 TD）。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.createElement("THEAD"); var y = document.createElement("TR"); var z = document.createElement("TD"); z.innerHTML = "Header" y.appendChild(z); x.appendChild(y); document.getElementById("myTable").appendChild(x); } </script> </body> </html>