改变图像的源

  1. <!DOCTYPE html>
  2. <html>
  3. <body>
  4.  
  5. <img id="myImg" src="/i/eg_bulboff.gif" />
  6. <br><br>
  7. <button onclick="document.getElementById('myImg').src='/i/eg_bulbon.gif'">On</button>
  8. <button onclick="document.getElementById('myImg').src='/i/eg_bulboff.gif'">Off</button>
  9.  
  10. </body>
  11. </html>
  12.