fix docs of js interfaces.

Signed-off-by: zengqingyu <zengqingyu3@huawei.com>
Change-Id: I3f7be2cae4b25a800af10f0e2e9dc57dd83c1434

api/@ohos.display.d.ts

@@ -16,153 +16,153 @@
 import { AsyncCallback, Callback } from './basic';
 
 /**
- * interface of display manager
+ * Interface of display manager.
  * @syscap SystemCapability.WindowManager.WindowManager.Core
  * @since 7
  */
 declare namespace display {
   /**
-   * get the default display
+   * Obtain the default display.
    * @since 7
    */
   function getDefaultDisplay(callback: AsyncCallback<Display>): void;
 
   /**
-   * get the default display
+   * Obtain the default display.
    * @since 7
    */
   function getDefaultDisplay(): Promise<Display>;
 
   /**
-   * get all displays
+   * Obtain all displays.
    * @since 7
    */
   function getAllDisplay(callback: AsyncCallback<Array<Display>>): void;
 
   /**
-   * get all displays
+   * Obtain all displays.
    * @since 7
    */
   function getAllDisplay(): Promise<Array<Display>>;
 
   /**
-   * register the callback of display change
+   * Register the callback for display changes.
    * @param type: type of callback
    * @since 7
    */
   function on(type: 'add' | 'remove' | 'change', callback: Callback<number>): void;
 
   /**
-   * unregister the callback of display change
+   * Unregister the callback for display changes.
    * @param type: type of callback
    * @since 7
    */
   function off(type: 'add' | 'remove' | 'change', callback?: Callback<number>): void;
 
   /**
-   * the state of display
+   * Enumerates the display states.
    * @syscap SystemCapability.WindowManager.WindowManager.Core
    * @since 7
    */
   enum DisplayState {
     /**
-     * unknown
+     * Unknown.
      */
     STATE_UNKNOWN = 0,
     /**
-     * screen off
+     * Screen off.
      */
     STATE_OFF,
     /**
-     * screen on
+     * Screen on.
      */
     STATE_ON,
     /**
-     * doze, but it will update for some important system messages
+     * Doze, but it will update for some important system messages.
      */
     STATE_DOZE,
     /**
-     * doze and not update
+     * Doze and not update.
      */
     STATE_DOZE_SUSPEND,
     /**
-     * VR node
+     * VR node.
      */
     STATE_VR,
     /**
-     * screen on and not update
+     * Screen on and not update.
      */
     STATE_ON_SUSPEND,
   }
 
   /**
-   * Properties of display, it couldn't update automatically
+   * Define properties of the display. They cannot be updated automatically.
    * @syscap SystemCapability.WindowManager.WindowManager.Core
    * @since 7
    */
   interface Display {
     /**
-     * display id
+     * Display ID.
      */
     id: number;
 
     /**
-     * display name
+     * Display name.
      */
     name: string;
 
     /**
-     * the display is alive
+     * The display is alive.
      */
     alive: boolean;
 
     /**
-     * the state of display
+     * The state of display.
      */
     state: DisplayState;
 
     /**
-     * refresh rate, unit: Hz
+     * Refresh rate, in Hz.
      */
     refreshRate: number;
 
     /**
-     * the rotation degrees of the display
+     * Rotation degrees of the display.
      */
     rotation: number;
 
     /**
-     * the width of display, unit: pixel
+     * Display width, in pixels.
      */
     width: number;
 
     /**
-     * the height of display, unit: pixel
+     * Display height, in pixels.
      */
     height: number;
 
     /**
-     * indicates the display resolution.
+     * Display resolution.
      */
     densityDPI: number;
 
     /**
-     * indicates the display density in pixels. The value of a low-resolution display is 1.0
+     * Display density, in pixels. The value for a low-resolution display is 1.0.
      */
     densityPixels: number;
 
     /**
-     * indicates the text scale density of a display.
+     * Text scale density of the display.
      */
     scaledDensity: number;
 
     /**
-     * the DPI on X-axis.
+     * DPI on the x-axis.
      */
     xDPI: number;
 
     /**
-     * the DPI on Y-axis.
+     * DPI on the y-axis.
      */
     yDPI: number;
   }

api/@ohos.screenshot.d.ts

@@ -17,14 +17,14 @@ import { AsyncCallback, ErrorCallback } from './basic';
 import image from './@ohos.multimedia.image';
 
 /**
- * interface for screenshot
+ * Declares the screenshot APIs.
  * @syscap SystemCapability.WindowManager.WindowManager.Core
  * @systemapi Hide this for inner system use.
  * @since 7
  */
 declare namespace screenshot {
     /**
-     * Takes a screenshot and saves it as a PixelMap object
+     * Takes a screenshot and saves it as a PixelMap object.
      * @param options Screenshot options, which consist of screenRect, imageSize, and rotation. You need to set these parameters
      * @permission ohos.permission.CAPTURE_SCREEN
      * @since 7
@@ -32,7 +32,7 @@ declare namespace screenshot {
     function save(options?: ScreenshotOptions, callback: AsyncCallback<image.PixelMap>): void;
 
     /**
-     * Takes a screenshot and saves it as a PixelMap object
+     * Takes a screenshot and saves it as a PixelMap object.
      * @param options Screenshot options, which consist of screenRect, imageSize, and rotation. You need to set these parameters
      * @permission ohos.permission.CAPTURE_SCREEN
      * @since 7
@@ -40,7 +40,7 @@ declare namespace screenshot {
     function save(options?: ScreenshotOptions): Promise<image.PixelMap>;
 
     /**
-     * Describes the region of the screen to capture
+     * Describes the region of the screen to capture.
      * @since 7
      */
     interface Rect {
@@ -51,7 +51,7 @@ declare namespace screenshot {
     }
 
     /**
-     * Describes the size of the screen region to capture
+     * Describes the size of the screen region to capture.
      * @since 7
      */
     interface Size {
@@ -60,24 +60,24 @@ declare namespace screenshot {
     }
 
     /**
-     * Describes screenshot options
+     * Describes screenshot options.
      * @since 7
      */
     interface ScreenshotOptions {
         /**
-         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured.
          */
         screenRect?: Rect;
         /**
-         * Region of the screen to capture. If this parameter is null, the full screen will be captured
+         * Region of the screen to capture. If this parameter is null, the full screen will be captured.
          */
         imageSize?: Size;
         /**
-         * Rotation angle of the screenshot. The value can be 0, 90, 180, or 270. The default value is 0
+         * Rotation angle of the screenshot. The value can be 0, 90, 180, or 270. The default value is 0.
          */
         rotation?: number;
         /**
-         * The specify screen to be captured.
+         * ID of the screen to be captured.
          * @since 8
          */
         displayId?: number;