KeyboardEvent.isComposing

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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

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

规范

Specification
UI Events
# dom-keyboardevent-iscomposing

浏览器兼容性

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参考