<!DOCTYPE html>
<html>
<body>
<div
onmousedown="mDown(this)"
onmouseup="mUp(this)"
style="background-color:#D94A38;width:200px;height:50px;padding-top:25px;text-align:center;">
点击这里
</div>
<script>
function mDown(obj)
{
obj.style.backgroundColor="#1ec5e5";
obj.innerHTML="松开鼠标"
}
function mUp(obj)
obj.style.backgroundColor="#D94A38";
obj.innerHTML="谢谢你"
</script>
</body>
</html>