​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>Window Screen 对象</h1>
​
<h2>colorDepth 属性</h2>
​
<script>
if (screen.colorDepth <= 8)
  //8 位屏幕的简单蓝色背景颜色
  document.body.style.background = "#0000FF"
else
  //现代屏幕的花哨的蓝色背景颜色
  document.body.style.background = "#87CEFA"
</script>
​
</body>
</html>
​