!5457 翻译完成：5232 【轻量级 PR】js-apis-screenshot.md

Merge pull request !5457 from wusongqing/TR5232

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

@@ -57,7 +57,7 @@ Takes a screenshot and saves it as a **PixelMap** object. This method uses a cal
 
 **System capability**: SystemCapability.WindowManager.WindowManager.Core
 
-**Required permissions**: ohos.permission.CAPTURE_SCREEN
+**Required permissions**: ohos.permission.CAPTURE_SCREEN (available only to system applications)
 
 **Parameters**
 
@@ -68,8 +68,8 @@ Takes a screenshot and saves it as a **PixelMap** object. This method uses a cal
 
 **Example**
 
-```js
-var ScreenshotOptions = {
+  ```js
+  var ScreenshotOptions = {
   	"screenRect": {
   		"left": 200,
   		"top": 100,
@@ -79,15 +79,15 @@ var ScreenshotOptions = {
   		"width": 300,
   		"height": 300},
   	"rotation": 0
-};
-screenshot.save(ScreenshotOptions, (err, data) => {
+  };
+  screenshot.save(ScreenshotOptions, (err, data) => {
   	if (err) {
   		console.error('Failed to save the screenshot. Error: ' + JSON.stringify(err));
   		return;
   	}
   	console.info('Screenshot saved. Data: ' + JSON.stringify(data));
-});
-```
+  });
+  ```
 
 ## screenshot.save
 
@@ -97,7 +97,7 @@ Takes a screenshot and saves it as a **PixelMap** object. This method uses a pro
 
 **System capability**: SystemCapability.WindowManager.WindowManager.Core
 
-**Required permissions**: ohos.permission.CAPTURE_SCREEN
+**Required permissions**: ohos.permission.CAPTURE_SCREEN (available only to system applications)
 
 **Parameters**
 
@@ -113,8 +113,8 @@ Takes a screenshot and saves it as a **PixelMap** object. This method uses a pro
 
 **Example**
 
-```js
-var ScreenshotOptions = {
+  ```js
+  var ScreenshotOptions = {
   	"screenRect": {
   		"left": 200,
   		"top": 100,
@@ -124,11 +124,11 @@ var ScreenshotOptions = {
   		"width": 300,
   		"height": 300},
   	"rotation": 0
-};
-let promise = screenshot.save(ScreenshotOptions);
-promise.then(() => {
+  };
+  let promise = screenshot.save(ScreenshotOptions);
+  promise.then(() => {
       console.log('screenshot save success');
-}).catch((err) => {
+  }).catch((err) => {
       console.log('screenshot save fail: ' + JSON.stringify(err));
-});
-```
\ No newline at end of file
+  });
+  ```