JavaScript入门教程(5):Screen屏幕对象
http://www.itjxue.com 2015-08-06 23:18 来源:未知 点击次数:
这是基本JavaScript的屏幕对象
- screen 屏幕对象 反映了当前用户的屏幕设置。
- width 返回屏幕的宽度(像素数)。
- height 返回屏幕的高度。
- availWidth 返回屏幕的可用宽度(除去了一些不自动隐藏的类似任务栏的东西所占用的宽度)。
- availHeight 返回屏幕的可用高度。
- colorDepth 返回当前颜色设置所用的位数 - 1:黑白;8:256色;16:增强色;24/32:真彩色
下面是英文的Navigator浏览器的屏幕对象:
- availHeight:minus permanent or semipermanent user interface features displayed by the operating system:such as the Taskbar on Windows.
- availWidth:Specifies the width of the screen, in pixels, minus permanent or semipermanent user interface:features displayed by the operating system, such as the Taskbar on Windows.
- colorDepth:The bit depth of the color palette, if one is in use; otherwise, the value is derived from screen.pixelDepth.
- height:Display screen height.
- pixelDepth:Display screen color resolution (bits per pixel).
- width:Display screen width.