| JavaScript手册 | |
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目录 |
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此参考中包含 的内容 |
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轻松上手 |
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简介 |
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操作符 |
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语句 |
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核心 |
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文档 |
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窗口 |
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表单 |
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浏览器 |
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事件和 事件句柄 |
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LiveWire 数据库服务 |
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进程管理服务 |
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实用工具 |
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全局函数 |
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LiveConnect 的Java包 |
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索引 |
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版权 |
screen
包含了描述显示屏幕和颜色的属性。
| 客户端对象 | |
| 实现版本 | Navigator 4.0 |
创建源
The JavaScript runtime engine creates the screen object for you. You can access its properties automatically.
描述
该对象包含了允许你获取关于用户显示情况信息的只读属性。
示例
The following function creates a string containing the current display properties:
function screen_properties() {
document.examples.results.value = "("+screen.width+" x
"+screen.height+") pixels, "+
screen.pixelDepth +" bit depth, "+
screen.colorDepth +" bit color palette depth.";
} // end function screen_properties
属性
availHeight
Specifies the height of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
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.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
colorDepth
The bit depth of the color palette in bits per pixel, if a color palette is in use. Otherwise, this property is derived from screen.pixelDepth.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
height
Display screen height, in pixels.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
pixelDepth
Display screen color resolution, in bits per pixel.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
width
Display screen width, in pixels.
| 属性源 | screen |
| 实现版本 | Navigator 4.0 |
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