​x
 
<!DOCTYPE html>
<html>
<body>
​
<div onmousedown="mDown(this)" onmouseup="mUp(this)"
style="background-color:#D94A38;width:90px;height:20px;padding:40px;">
点击鼠标</div>
​
<script>
function mDown(obj) {
  obj.style.backgroundColor = "#1ec5e5";
  obj.innerHTML = "松开鼠标";
}
​
function mUp(obj) {
  obj.style.backgroundColor="#D94A38";
  obj.innerHTML="谢谢您";
}
</script>
​
</body>
</html>
​