KeyboardEvent.isComposing - Web API 接口参考 编辑

KeyboardEvent.isComposing 只读属性，返回一个 Boolean 值，表示该事件是否在 compositionstart 之后和 compositionend 之前被触发。

语法

var bool = event.isComposing;

示例

var kbdEvent = new KeyboardEvent("syntheticKey", false);
console.log(kbdEvent.isComposing); // return false

标准

Specification	Status	Comment
Document Object Model (DOM) Level 3 Events Specification KeyboardEvent.isComposing	Obsolete	Initial definition.

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

特性	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
基本支持	56.0	31.0 (31.0)	未实现	43	未实现

特性	Android Webview	Firefox Mobile (Gecko)	IE Phone	Opera Mobile	Safari Mobile	Chrome for Android
基本支持	56.0	31.0 (31.0)	未实现	43	未实现	56.0

参考

• compositionstart 与 compositionend
• KeyboardEvent