51help TIY
码：
<!DOCTYPE html> <html> <body> <div onmouseover="mOver(this)" onmouseout="mOut(this)" style="background-color:#D94A38;width:200px;height:50px;padding-top:25px;text-align:center;"> Mouse Over Me </div> <script> function mOver(obj) { obj.innerHTML="谢谢你" } function mOut(obj) { obj.innerHTML="" } </script> </body> </html>
查看结果: