!4268 【OpenHarmony开源贡献者计划2022】emitter相关格式及表达问题

Merge pull request !4268 from king_he/0523-f

en/application-dev/reference/apis/js-apis-emitter.md

 # Emitter
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br>
+> **NOTE**<br>
 > The initial APIs of this module are supported since API version 7.
 
 ## Modules to Import
@@ -17,12 +17,12 @@ None
 
 Enumerates the event emit priority levels.
 
-| Name     | Value  | Description                                             |
-| --------- | ---- | ------------------------------------------------- |
-| IMMEDIATE | 0    | The event will be emitted immediately.<br>**System capability**: SystemCapability.Notification.Emitter |
-| HIGH      | 1    | The event will be emitted before low-priority events.<br>**System capability**: SystemCapability.Notification.Emitter |
-| LOW       | 2    | The event will be emitted before idle-priority events. By default, an event is in LOW priority.<br>**System capability**: SystemCapability.Notification.Emitter |
-| IDLE      | 3    | The event will be emitted after all the other events.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | Name | Value | Description |
+ | --------- | ---- | ------------------------------------------------- |
+ | IMMEDIATE | 0 | The event will be emitted immediately.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | HIGH | 1 | The event will be emitted before low-priority events.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | LOW | 2 | The event will be emitted before idle-priority events. By default, an event is in LOW priority.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | IDLE | 3 | The event will be emitted after all the other events.<br>**System capability**: SystemCapability.Notification.Emitter |
 
 ## emitter.on
 
@@ -34,10 +34,10 @@ Subscribes to an event in persistent manner. This API uses a callback to return
 
 **Parameters**
 
-| Name  | Type                               | Mandatory | Description                    |
-| -------- | ----------------------------------- | ---- | ------------------------ |
-| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in persistent manner. |
-| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event. |
+ | Name | Type | Mandatory | Description |
+ | -------- | ----------------------------------- | ---- | ------------------------ |
+ | event | [InnerEvent](#innerevent) | Yes | Event to subscribe to in persistent manner. |
+ | callback | Callback\<[EventData](#eventdata)\> | Yes | Callback used to return the event. |
 
 **Example**
 
@@ -61,10 +61,10 @@ Subscribes to an event in one-shot manner and unsubscribes from it after the eve
 
 **Parameters**
 
-| Name  | Type                               | Mandatory | Description                    |
-| -------- | ----------------------------------- | ---- | ------------------------ |
-| event    | [InnerEvent](#innerevent)           | Yes  | Event to subscribe to in one-shot manner. |
-| callback | Callback\<[EventData](#eventdata)\> | Yes  | Callback used to return the event. |
+ | Name | Type | Mandatory | Description |
+ | -------- | ----------------------------------- | ---- | ------------------------ |
+ | event | [InnerEvent](#innerevent) | Yes | Event to subscribe to in one-shot manner. |
+ | callback | Callback\<[EventData](#eventdata)\> | Yes | Callback used to return the event. |
 
 **Example**
 
@@ -88,9 +88,9 @@ Unsubscribes from an event.
 
 **Parameters**
 
-| Name | Type  | Mandatory | Description |
-| ------- | ------ | ---- | ------ |
-| eventId | number | Yes | Event ID. |
+ | Name | Type | Mandatory | Description |
+ | ------- | ------ | ---- | ------ |
+ | eventId | number | Yes | Event ID. |
 
 **Example**
 
@@ -108,10 +108,10 @@ Emits an event to the event queue.
 
 **Parameters**
 
-| Name| Type                     | Mandatory| Description |
-| ------ | ------------------------- | ---- | -------------- |
-| event  | [InnerEvent](#innerevent) | Yes | Event to emit. |
-| data   | [EventData](#eventdata)   | No | Data carried by the event. |
+ | Name | Type | Mandatory | Description |
+ | ------ | ------------------------- | ---- | -------------- |
+ | event | [InnerEvent](#innerevent) | Yes | Event to emit. |
+ | data | [EventData](#eventdata) | No | Data carried by the event. |
 
 **Example**
 
@@ -132,15 +132,15 @@ emitter.emit(innerEvent, eventData);
 
 Describes an intra-process event.
 
-| Name    | Type                       | Readable| Writable| Description                              |
-| -------- | ------------------------------- | ---- | ---- | ---------------------------------- |
-| eventId  | number                          | Yes  | Yes | Event ID, which is used to identify an event.<br>**System capability**: SystemCapability.Notification.Emitter |
-| priority | [EventPriority](#eventpriority) | Yes  | Yes | Emit priority of the event.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | Name | Type | Readable | Writable | Description |
+ | -------- | ------------------------------- | ---- | ---- | ---------------------------------- |
+ | eventId | number | Yes | Yes | Event ID, which is used to identify an event.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | priority | [EventPriority](#eventpriority) | Yes | Yes | Emit priority of the event.<br>**System capability**: SystemCapability.Notification.Emitter |
 
 ## EventData
 
 Describes the data passed in the event.
 
-| Name| Type          | Readable| Writable| Description          |
-| ---- | ------------------ | ---- | ---- | -------------- |
-| data | [key: string]: any | Yes | Yes | Data carried by the event. The data type can be String, Integer, or Boolean.<br>**System capability**: SystemCapability.Notification.Emitter |
+ | Name | Type | Readable | Writable | Description |
+ | ---- | ------------------ | ---- | ---- | -------------- |
+ | data | [key: string]: any | Yes | Yes | Data carried by the event. The data type can be String, Integer, or Boolean.<br>**System capability**: SystemCapability.Notification.Emitter |