KeyboardEvent.isComposing

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!

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