XRInputSourceArray

在此页

特性
方法
范例
规范
浏览器兼容性
相关话题

安全上下文
此特征只可用于安全上下文 (HTTPS)，在某些或所有支持浏览器 .

The interface XRInputSourceArray represents a live list of WebXR input sources, and is used as the return value of the XRSession property inputSources . Each entry is an XRInputSource representing one input device connected to the WebXR system.

In addition to being able to access the input sources in the list using standard array notation (that is, with index numbers insize square brackets), methods are available to allow the use of iterators and the forEach() method is also available.

特性

The following properties are available on XRInputSourceArray 对象。

length 只读: The number of XRInputSource objects in the list.

方法

The following methods are available on XRInputSourceArray objects. You may also use the features of the Symbol 类型。

entries(): 返回 iterator you can use to walk the list of key/value pairs in the list. Each item returned is an array whose first value is the index and whose second value is the XRInputSource at that index.
forEach()
keys()
values(): 返回 iterator you can use to go through all the values in the list. Each item is a single XRInputSource 对象。

In addition to these methods, you may use array notation to access items in the list by index For example, the snippet of code below calls a function handleInput() , passing into it the first item in the input source list, if the list isn't empty.

let sources = xrSession.inputSources;
if (sources.length > 0) {
  handleInput(sources[0]);
}

范例

规范

规范	状态	注释
WebXR 设备 API The definition of 'XRInputSourceArray' in that specification.	工作草案	初始定义。

浏览器兼容性

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
`XRInputSourceArray`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2
`entries()`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2
`forEach()`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2
`keys`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2
`length`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2
`值`	Chrome 79	Edge 79	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android 79	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android 11.2

图例

完整支持
不支持

元数据

最后修改： Mar 19, 2020

在此页

特性

方法

范例

规范

浏览器兼容性

图例

相关话题