​x
 
<!DOCTYPE html>
<html>
<body>
​
<div onmouseover="mOver(this)" onmouseout="mOut(this)" 
style="background-color:#D94A38;width:120px;height:20px;padding:40px;">
请把鼠标移上来</div>
​
<script>
function mOver(obj) {
  obj.innerHTML = "谢谢您"
}
​
function mOut(obj) {
  obj.innerHTML = "请把鼠标移上来"
}
</script>
​
</body>
</html>
​