Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击该按钮以创建一个文件上传按钮。</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var x = document.createElement("INPUT"); x.setAttribute("type", "file"); document.body.appendChild(x); } </script> </body> </html>