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files/zh-cn/mozilla/add-ons/webextensions/api/events/event/index.md
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--- | ||
title: events.Event | ||
slug: Mozilla/Add-ons/WebExtensions/API/events/Event | ||
l10n: | ||
sourceCommit: a16fecbf75f71fc11e03ef6cd0b0c34ad6f3d480 | ||
--- | ||
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{{AddonSidebar}} | ||
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允许对浏览器事件添加和移除监听器的对象。 | ||
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## 类型 | ||
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本类型的取值是对象。 | ||
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## 方法 | ||
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- {{WebExtAPIRef("events.Event.addListener","events.Event.addListener()")}} | ||
- : 为事件注册一个事件监听器。 | ||
- {{WebExtAPIRef("events.Event.removeListener","events.Event.removeListener()")}} | ||
- : 从事件中注销一个事件监听器。 | ||
- {{WebExtAPIRef("events.Event.hasListener","events.Event.hasListener()")}} | ||
- : 测试监听器的注册状态。 | ||
- {{WebExtAPIRef("events.Event.hasListeners","events.Event.hasListeners()")}} | ||
- : 测试事件是否由任何注册了的监听器。 | ||
- {{WebExtAPIRef("events.Event.addRules","events.Event.addRules()")}} | ||
- : 注册处理事件的规则。 | ||
- {{WebExtAPIRef("events.Event.getRules","events.Event.getRules()")}} | ||
- : 返回当前注册的规则。 | ||
- {{WebExtAPIRef("events.Event.removeRules","events.Event.removeRules()")}} | ||
- : 注销当前注册的规则。 | ||
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## 浏览器兼容性 | ||
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{{Compat}} | ||
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{{WebExtExamples}} | ||
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> [!NOTE] | ||
> 该 API 基于 Chromium 的 [`chrome.events](https://developer.chrome.com/docs/extensions/reference/events/#type-Event) API。本文衍生于 Chromium 代码中的 [`events.json`](https://chromium.googlesource.com/chromium/src/+/master/extensions/common/api/events.json)。 | ||
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