TouchList 接口代表一个触摸平面上所有触点的列表。例如，如果一个用户用三根手指接触屏幕（或者触控板），与之对应的 TouchList 会包含每根手指的 Touch 对象，总共三个。
属性
TouchList.length只读- 返回
TouchList中Touch对象的数量。
方法
TouchList.identifiedTouch()- 列表中标示符与指定值匹配的第一个
Touch对象会被返回。 TouchList.item()- 返回列表中以指定值作为索引的
Touch对象。
示例
参考这个主要Touch事件的示例.
规范
| Specification | Status | Comment |
|---|---|---|
| Touch Events – Level 2 | Draft | Non-stable version. |
| Touch Events | Recommendation | Initial definition. |
浏览器兼容
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TouchList | Chrome Full support 18 | Edge Full support Yes | Firefox
Full support
52
| IE No support No | Opera Full support 15 | Safari No support No | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 6 | Opera Android Full support 14 | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
identifiedTouch | Chrome ? | Edge ? | Firefox ? | IE No support No | Opera ? | Safari No support No | WebView Android ? | Chrome Android ? | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
item | Chrome Full support 18 | Edge Full support Yes | Firefox
Full support
52
| IE No support No | Opera Full support 15 | Safari No support No | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 6 | Opera Android Full support 14 | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
length | Chrome Full support 18 | Edge Full support Yes | Firefox
Full support
52
| IE No support No | Opera Full support 15 | Safari No support No | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 6 | Opera Android Full support 14 | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Non-standard. Expect poor cross-browser support.
- Non-standard. Expect poor cross-browser support.
- Deprecated. Not for use in new websites.
- Deprecated. Not for use in new websites.