Navigator.maxTouchPoints

在此页

maxTouchPoints 只读特性在 Navigator interface returns the maximum number of simultaneous touch contact points are supported by the current device.

touchPoints = navigator.maxTouchPoints;

if (navigator.maxTouchPoints > 1) {
  // browser supports multi-touch
}

规范	状态	注释
指针事件 – 2 级 The definition of 'maxTouchPoints' in that specification.	推荐	非稳定版本。
指针事件 The definition of 'maxTouchPoints' in that specification.	过时	初始定义。

The compatibility table on 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
`maxTouchPoints`	Chrome 35	Edge 12	Firefox 59 59 Disabled ). To change preferences in Firefox, visit	IE 11 11 10 Prefixed Prefixed Implemented with the vendor prefix: ms	Opera Yes	Safari 不支持 No	WebView Android 37	Chrome Android 35	Firefox Android 29 注意事项 Disabled 29 注意事项 Disabled 见 bug 1426786 . Disabled ). To change preferences in Firefox, visit about:config.	Opera Android Yes	Safari iOS 不支持 No	Samsung Internet Android 3.0