Home
HTML
HTML
Tryit: HTML
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <style> #myDIV { border: 1px solid black; width: 400px; height: 200px; background: url("w3css.gif") no-repeat; } </style> </head> <body> <h1>使用 JavaScript 更改背景重复</h1> <p>单击“试一试”按钮将 DIV 元素的 background-repeat 属性设置为“repeat-x”：</p> <button onclick="myFunction()">试一试</button> <br><br> <div id="myDIV"> <h1>Hello</h1> </div> <script> function myFunction() { document.getElementById("myDIV").style.backgroundRepeat = "repeat-x"; } </script> </body> </html>