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• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

x 只读特性在 LinearAccelerationSensor interface returns a double precision integer containing the linear acceleration of the device along the device's x axis.

If a feature policy blocks use of a feature it is because your code is inconsistent with the policies set on your server. This is not something that would ever be shown to a user. See Feature-Policy for implementation instructions.

句法

var xLinearAccelerationSensor = linearAccelerationSensor.x
					

值

A Number .

范例

Linear acceleration is typically read in the Sensor.onreading event callback. In the example below this occurs sixty times a second.

let laSensor = new LinearAccelerationSensor({frequency: 60});
laSensor.addEventListener('reading', e => {
  console.log("Linear acceleration along the X-axis " + laSensor.x);
  console.log("Linear acceleration along the Y-axis " + laSensor.y);
  console.log("Linear acceleration along the Z-axis " + laSensor.z);
});
laSensor.start();
					

规范

规范	状态	注释
Generic Sensor API	候选推荐	Defines sensors in general.
Accelerometer The definition of 'x' in that specification.	候选推荐

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
x	Chrome 69	Edge ≤79	Firefox ?	IE ?	Opera 56	Safari ?	WebView Android 69	Chrome Android 69	Firefox Android ?	Opera Android 48	Safari iOS ?	Samsung Internet Android 10.0

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

元数据

• 最后修改： Mar 18, 2019

相关话题

1. LinearAccelerationSensor
2. 构造函数

   1. LinearAccelerationSensor()
3. 特性

   1. x
   2. y
   3. z
4. 继承：

   1. Accelerometer
   2. 传感器
   3. EventTarget