W3School TIY
编辑您的代码：
<!DOCTYPE html> <html> <body> <div onmouseover="mOver(this)" onmouseout="mOut(this)" style="background-color:green;width:120px;height:20px;padding:40px;color:#ffffff;">把鼠标移到上面</div> <script> function mOver(obj) { obj.innerHTML="谢谢" } function mOut(obj) { obj.innerHTML="把鼠标移到上面" } </script> </body> </html>
查看结果: