Creates a system window when the context is [ServiceExtensionContext](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-service-extension-context.md). This API uses an asynchronous callback to return the result.
Creates a system window when the context is [ServiceExtensionContext](js-apis-service-extension-context.md). This API uses an asynchronous callback to return the result.
| ctx | [Context](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-Context.md) | Yes | Current application context, which is the base class of **ServiceExtensionContext**.|
Creates a system window when the context is [ServiceExtensionContext](https://gitee.com/openharmony/docs/blob/master/en/application-dev/reference/apis/js-apis-service-extension-context.md). This API uses a promise to return the result.
Creates a system window when the context is [ServiceExtensionContext](js-apis-service-extension-context.md). This API uses a promise to return the result.
| ctx | [Context](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-Context.md) | Yes | Current application context, which is the base class of **ServiceExtensionContext**.|
| ctx | [Context](js-apis-service-extension-context.md) | Yes | Current application context.|
| id | string | Yes | Window ID. |
| id | string | Yes | Window ID. |
| type | [WindowType](#windowtype) | Yes | Window type. |
| type | [WindowType](#windowtype) | Yes | Window type. |
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@@ -424,9 +424,9 @@ Obtains the top window of the current application. This API uses an asynchronous
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@@ -424,9 +424,9 @@ Obtains the top window of the current application. This API uses an asynchronous
| ctx | Context | Yes | Current application context. For the definition of **Context** of API version 8, see [Context](js-apis-Context.md). For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md).|
| callback | AsyncCallback<[Window](#window)> | Yes | Callback used to return the top window obtained.|
| callback | AsyncCallback<[Window](#window)>| Yes | Callback used to return the top window obtained. |
- Example
- Example
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@@ -453,8 +453,8 @@ Obtains the top window of the current application. This API uses a promise to re
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@@ -453,8 +453,8 @@ Obtains the top window of the current application. This API uses a promise to re
| ctx | [Context](https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/reference/apis/js-apis-Context.md) | Yes | Current application context.|
| ctx | Context | Yes | Current application context. For the definition of **Context** of API version 8, see [Context](js-apis-Context.md). For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md).|