JavaScript Screen 屏幕对象属性详解

JavaScript Screen 屏幕对象属性详解

Screen 屏幕对象反映了当前用户的屏幕设置。其属性包括：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 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.