TouchList

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

TouchList 介面表示了一個觸控平面上所有觸碰點的列表；舉例來說，假如使用者有三隻手指於觸控平面（如觸控螢幕或是觸控板）上，則其相對應的 TouchList 物件中就會分別有三個 Touch 物件各代表一個手指的觸碰。

屬性

TouchList.length Read only

The number of Touch objects in the TouchList.

方法

TouchList.identifiedTouch()

Returns the first Touch item in the list whose identifier matches a specified value.

TouchList.item()

Returns the Touch object at the specified index in the list.

範例

See the example on the main Touch events article.

規範

Specification
Touch Events
# touchlist-interface

瀏覽器相容性

BCD tables only load in the browser

參見