update docs against 5767

Signed-off-by: Nwusongqing <wusongqing@huawei.com>

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

 # URL String Parsing
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
+>
 > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
@@ -10,10 +11,6 @@
 import Url from '@ohos.url' 
 ```
 
-## System Capabilities
-
-SystemCapability.Utils.Lang
-
 ## URLSearchParams
 
 
@@ -23,20 +20,22 @@ constructor(init?: string[][] | Record<string, string> | string | URLSearc
 
 Creates a **URLSearchParams** instance.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| init | string[][]&nbsp;\|&nbsp;Record&lt;string,&nbsp;string&gt;&nbsp;\|&nbsp;string&nbsp;\|&nbsp;URLSearchParams | No| Input parameter objects, which include the following:<br>- **string[][]**: two-dimensional string array<br>- **Record&lt;string,&nbsp;string&gt;**: list of objects<br>- **string**: string<br>- **URLSearchParams**: object|
+| init | string[][] \| Record&lt;string, string&gt; \| string \| URLSearchParams | No| Input parameter objects, which include the following:<br>- **string[][]**: two-dimensional string array<br>- **Record&lt;string, string&gt;**: list of objects<br>- **string**: string<br>- **URLSearchParams**: object |
 
 **Example**
 
 ```js
-var objectParams = new URLSearchParams([ ['user1', 'abc1'], ['query2', 'first2'], ['query3', 'second3'] ]);
-var objectParams1 = new URLSearchParams({"fod" : 1 , "bard" : 2});
-var objectParams2 = new URLSearchParams('?fod=1&bard=2');
-var urlObject = new URL('https://developer.mozilla.org/?fod=1&bard=2');
-var params = new URLSearchParams(urlObject.search);
+var objectParams = new Url.URLSearchParams([ ['user1', 'abc1'], ['query2', 'first2'], ['query3', 'second3'] ]);
+var objectParams1 = new Url.URLSearchParams({"fod" : 1 , "bard" : 2});
+var objectParams2 = new Url.URLSearchParams('?fod=1&bard=2');
+var urlObject = new Url.URL('https://developer.mozilla.org/?fod=1&bard=2');
+var params = new Url.URLSearchParams(urlObject.search);
 ```
 
 
@@ -46,18 +45,20 @@ append(name: string, value: string): void
 
 Appends a key-value pair into the query string.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key of the key-value pair to append.|
-| value | string | Yes| Value of the key-value pair to append.|
+| name | string | Yes | Key of the key-value pair to append. |
+| value | string | Yes | Value of the key-value pair to append. |
 
 **Example**
 
 ```js
-let urlObject = new URL('https://developer.exampleUrl/?fod=1&bard=2');
-let paramsObject = new URLSearchParams(urlObject.search.slice(1));
+let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
+let paramsObject = new Url.URLSearchParams(urlObject.search.slice(1));
 paramsObject.append('fod', 3);
 ```
 
@@ -68,17 +69,19 @@ delete(name: string): void
 
 Deletes key-value pairs of the specified key.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key of the key-value pairs to delete.|
+| name | string | Yes | Key of the key-value pairs to delete. |
 
 **Example**
 
 ```js
-let urlObject = new URL('https://developer.exampleUrl/?fod=1&bard=2');
-let paramsobject = new URLSearchParams(urlObject.search.slice(1));
+let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
+let paramsobject = new Url.URLSearchParams(urlObject.search.slice(1));
 paramsobject.delete('fod');
 ```
 
@@ -89,23 +92,25 @@ getAll(name: string): string[]
 
 Obtains all the key-value pairs based on the specified key.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key specified to obtain all key-value pairs.|
+| name | string | Yes | Key specified to obtain all key-value pairs. |
 
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| string[] | All key-value pairs matching the specified key.|
+| string[] | All key-value pairs matching the specified key. |
 
 **Example**
 
 ```js
-let urlObject = new URL('https://developer.exampleUrl/?fod=1&bard=2'); 
-let paramsObject = new URLSearchParams(urlObject.search.slice(1)); 
+let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2'); 
+let paramsObject = new Url.URLSearchParams(urlObject.search.slice(1)); 
 paramsObject.append('fod', 3); // Add a second value for the fod parameter.
 console.log(params.getAll('fod')) // Output ["1","3"].
 ```
@@ -117,16 +122,18 @@ entries(): IterableIterator<[string, string]>
 
 Obtains an ES6 iterator. Each item of the iterator is a JavaScript array, and the first and second fields of each array are the key and value respectively.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| IterableIterator&lt;[string,&nbsp;string]&gt; | ES6 iterator.|
+| IterableIterator&lt;[string, string]&gt; | ES6 iterator. |
 
 **Example**
 
 ```js
-var searchParamsObject = new URLSearchParams("keyName1=valueName1&keyName2=valueName2"); 
+var searchParamsObject = new Url.URLSearchParams("keyName1=valueName1&keyName2=valueName2"); 
 for (var pair of searchParamsObject .entries()) { // Show keyName/valueName pairs
     console.log(pair[0]+ ', '+ pair[1]);
 }
@@ -139,25 +146,27 @@ forEach(callbackfn: (value: string, key: string, searchParams: this) => void, th
 
 Traverses the key-value pairs in the **URLSearchParams** instance by using a callback.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| callbackfn | function | Yes| Callback invoked to traverse the key-value pairs in the **URLSearchParams** instance.|
-| thisArg | Object | No| Value to use when the callback is invoked.|
+| callbackfn | function | Yes | Callback invoked to traverse the key-value pairs in the **URLSearchParams** instance. |
+| thisArg | Object | No | Value to use when the callback is invoked. |
 
 **Table 1** callbackfn parameter description
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| value | string | Yes| Value that is currently traversed.|
-| key | string | Yes| Key that is currently traversed.|
-| searchParams | Object | Yes| Instance that invokes the **forEach** method.|
+| value | string | Yes | Value that is currently traversed. |
+| key | string | Yes | Key that is currently traversed. |
+| searchParams | Object | Yes | Instance that invokes the **forEach** method. |
 
 **Example**
 
 ```js
-const myURLObject = new URL('https://developer.exampleUrl/?fod=1&bard=2'); 
+const myURLObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2'); 
 myURLObject.searchParams.forEach((value, name, searchParams) => {  
     console.log(name, value, myURLObject.searchParams === searchParams);
 });
@@ -170,23 +179,25 @@ get(name: string): string | null
 
 Obtains the value of the first key-value pair based on the specified key.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key specified to obtain the value.|
+| name | string | Yes | Key specified to obtain the value. |
 
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| string | Returns the value of the first key-value pair if obtained.|
-| null | Returns null if no value is obtained.|
+| string | Returns the value of the first key-value pair if obtained. |
+| null | Returns null if no value is obtained. |
 
 **Example**
 
 ```js
-var paramsOject = new URLSearchParams(document.location.search.substring(1)); 
+var paramsOject = new Url.URLSearchParams(document.location.search.substring(1)); 
 var name = paramsOject.get("name"); // is the string "Jonathan" 
 var age = parseInt(paramsOject.get("age"), 10); // is the number 18
 var address = paramsOject.get("address"); // null
@@ -199,23 +210,25 @@ has(name: string): boolean
 
 Checks whether a key has a value.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key specified to search for its value.|
+| name | string | Yes | Key specified to search for its value. |
 
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| boolean | Returns **true** if the value exists; returns **false** otherwise.|
+| boolean | Returns **true** if the value exists; returns **false** otherwise. |
 
 **Example**
 
 ```js
-let urlObject = new URL('https://developer.exampleUrl/?fod=1&bard=2');
-let paramsObject = new URLSearchParams(urlObject.search.slice(1)); 
+let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
+let paramsObject = new Url.URLSearchParams(urlObject.search.slice(1)); 
 paramsObject.has('bard') === true;
 ```
 
@@ -226,18 +239,20 @@ set(name: string, value: string): void
 
 Sets the value for a key. If key-value pairs matching the specified key exist, the value of the first key-value pair will be set to the specified value and other key-value pairs will be deleted. Otherwise, the key-value pair will be appended to the query string.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| name | string | Yes| Key of the value to set.|
-| value | string | Yes| Value to set.|
+| name | string | Yes | Key of the value to set. |
+| value | string | Yes | Value to set. |
 
 **Example**
 
 ```js
-let urlObject = new URL('https://developer.exampleUrl/?fod=1&bard=2');
-let paramsObject = new URLSearchParams(urlObject.search.slice(1));
+let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
+let paramsObject = new Url.URLSearchParams(urlObject.search.slice(1));
 paramsObject.set('baz', 3); // Add a third parameter.
 ```
 
@@ -246,13 +261,14 @@ paramsObject.set('baz', 3); // Add a third parameter.
 
 sort(): void
 
+Sorts all key-value pairs contained in this object based on the Unicode code points of the keys and returns undefined.  This method uses a stable sorting algorithm, that is, the relative order between key-value pairs with equal keys is retained.
 
-Sorts all key-value pairs contained in this object based on the Unicode code points of the keys and returns undefined. This method uses a stable sorting algorithm, that is, the relative order between key-value pairs with equal keys is retained.
+**System capability**: SystemCapability.Utils.Lang
 
 **Example**
 
 ```js
-var searchParamsObject = new URLSearchParams("c=3&a=9&b=4&d=2"); // Create a test URLSearchParams object
+var searchParamsObject = new Url.URLSearchParams("c=3&a=9&b=4&d=2"); // Create a test URLSearchParams object
 searchParamsObject.sort(); // Sort the key/value pairs
 console.log(searchParamsObject.toString()); // Display the sorted query string // Output a=9&b=2&c=3&d=4
 ```
@@ -262,19 +278,20 @@ console.log(searchParamsObject.toString()); // Display the sorted query string /
 
 keys(): IterableIterator&lt;string&gt;
 
-
 Obtains an ES6 iterator that contains the keys of all the key-value pairs.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| IterableIterator&lt;string&gt; | ES6 iterator that contains the keys of all the key-value pairs.|
+| IterableIterator&lt;string&gt; | ES6 iterator that contains the keys of all the key-value pairs. |
 
 **Example**
 
 ```js
-var searchParamsObject = new URLSearchParams("key1=value1&key2=value2"); // Create a URLSearchParamsObject object for testing
+var searchParamsObject = new Url.URLSearchParams("key1=value1&key2=value2"); // Create a URLSearchParamsObject object for testing
 for (var key of searchParamsObject .keys()) { // Output key-value pairs
     console.log(key);
 }
@@ -287,16 +304,18 @@ values(): IterableIterator&lt;string&gt;
 
 Obtains an ES6 iterator that contains the values of all the key-value pairs.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| IterableIterator&lt;string&gt; | ES6 iterator that contains the values of all the key-value pairs.|
+| IterableIterator&lt;string&gt; | ES6 iterator that contains the values of all the key-value pairs. |
 
 **Example**
 
 ```js
-var searchParams = new URLSearchParams("key1=value1&key2=value2"); // Create a URLSearchParamsObject object for testing
+var searchParams = new Url.URLSearchParams("key1=value1&key2=value2"); // Create a URLSearchParamsObject object for testing
 for (var value of searchParams.values()) { 
     console.log(value);
 }
@@ -307,19 +326,20 @@ for (var value of searchParams.values()) {
 
 [Symbol.iterator]\(): IterableIterator&lt;[string, string]&gt;
 
-
 Obtains an ES6 iterator. Each item of the iterator is a JavaScript array, and the first and second fields of each array are the key and value respectively.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| IterableIterator&lt;[string,&nbsp;string]&gt; | ES6 iterator.|
+| IterableIterator&lt;[string, string]&gt; | ES6 iterator. |
 
 **Example**
 
 ```js
-const paramsObject = new URLSearchParams('fod=bay&edg=bap');
+const paramsObject = new Url.URLSearchParams('fod=bay&edg=bap');
 for (const [name, value] of paramsObject) { 
     console.log(name, value); 
 } 
@@ -330,20 +350,21 @@ for (const [name, value] of paramsObject) {
 
 toString(): string
 
-
 Obtains search parameters that are serialized as a string and, if necessary, percent-encodes the characters in the string.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| string | String of serialized search parameters, which is percent-encoded if necessary.|
+| string | String of serialized search parameters, which is percent-encoded if necessary. |
 
 **Example**
 
 ```js
-let url = new URL('https://developer.exampleUrl/?fod=1&bard=2');
-let params = new URLSearchParams(url.search.slice(1)); 
+let url = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
+let params = new Url.URLSearchParams(url.search.slice(1)); 
 params.append('fod', 3);
 console.log(params.toString());
 ```
@@ -351,9 +372,10 @@ console.log(params.toString());
 
 ## URL
 
-
 ### Attributes
 
+**System capability**: SystemCapability.Utils.Lang
+
 | Name| Type| Readable| Writable| Description|
 | -------- | -------- | -------- | -------- | -------- |
 | hash | string | Yes| Yes| String that contains a harsh mark (#) followed by the fragment identifier of a URL.|
@@ -374,31 +396,32 @@ console.log(params.toString());
 
 constructor(url: string, base?: string | URL)
 
-
 Creates a URL.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
-| Name| Type| Mandatory| Description|
+| Name | Type | Mandatory | Description |
 | -------- | -------- | -------- | -------- |
-| url | string | Yes| Input object.|
-| base | string&nbsp;\|&nbsp;URL | No| Input parameter, which can be any of the following:<br>- **string**: string<br>- **URL**: string or object|
+| url | string | Yes | Input object. |
+| base | string \ |& URL | No | Input parameter, which can be any of the following:<br>- **string**: string<br>- **URL**: string or object |
 
 **Example**
 
 ```js
 var mm = 'http://username:password@host:8080';
-var a = new URL("/", mm); // Output 'http://username:password@host:8080/';
-var b = new URL(mm); // Output 'http://username:password@host:8080/';
-new URL('path/path1', b); // Output 'http://username:password@host:8080/path/path1';
-var c = new URL('/path/path1', b);  // Output 'http://username:password@host:8080/path/path1'; 
-new URL('/path/path1', c); // Output 'http://username:password@host:8080/path/path1';
-new URL('/path/path1', a); // Output 'http://username:password@host:8080/path/path1';
-new URL('/path/path1', "https://www.exampleUrl/fr-FR/toto"); // Output https://www.exampleUrl/path/path1
-new URL('/path/path1', ''); // Raises a TypeError exception as '' is not a valid URL
-new URL('/path/path1'); // Raises a TypeError exception as '/path/path1' is not a valid URL
-new URL('http://www.shanxi.com', ); // Output http://www.shanxi.com/
-new URL('http://www.shanxi.com', b); // Output http://www.shanxi.com/
+var a = new Url.URL("/", mm); // Output 'http://username:password@host:8080/';
+var b = new Url.URL(mm); // Output 'http://username:password@host:8080/';
+new Url.URL('path/path1', b); // Output 'http://username:password@host:8080/path/path1';
+var c = new Url.URL('/path/path1', b);  // Output 'http://username:password@host:8080/path/path1'; 
+new Url.URL('/path/path1', c); // Output 'http://username:password@host:8080/path/path1';
+new Url.URL('/path/path1', a); // Output 'http://username:password@host:8080/path/path1';
+new Url.URL('/path/path1', "https://www.exampleUrl/fr-FR/toto"); // Output https://www.exampleUrl/path/path1
+new Url.URL('/path/path1', ''); // Raises a TypeError exception as '' is not a valid URL
+new Url.URL('/path/path1'); // Raises a TypeError exception as '/path/path1' is not a valid URL
+new Url.URL('http://www.shanxi.com', ); // Output http://www.shanxi.com/
+new Url.URL('http://www.shanxi.com', b); // Output http://www.shanxi.com/
 ```
 
 
@@ -408,16 +431,18 @@ toString(): string
 
 Converts the parsed URL into a string.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| string | Website address in a serialized string.|
+| string | Website address in a serialized string. |
 
 **Example**
 
 ```js
-const url = new URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
+const url = new Url.URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
 url.toString()
 ```
 
@@ -426,17 +451,18 @@ url.toString()
 
 toJSON(): string
 
-
 Converts the parsed URL into a JSON string.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
-| Type| Description|
+| Type | Description |
 | -------- | -------- |
-| string | Website address in a serialized string.|
+| string | Website address in a serialized string. |
 
 **Example**
 ```js
-const url = new URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
+const url = new Url.URL('http://username:password@host:8080/directory/file?query=pppppp#qwer=da');
 url.toJSON()
-```
+```
\ No newline at end of file

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

 # util
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
+>
 > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
-This module provides common utility functions, such as **TextEncoder** and **TextDecoder** for string encoding and decoding, **RationalNumber** for rational number operations, **LruBuffer** for buffer management, **Scope** for range determination, **Base64** for Base64 encoding and decoding, and **types** for checks of built-in object types.
+This module provides common utility functions, such as **TextEncoder** and **TextDecoder** for string encoding and decoding, **RationalNumber** for rational number operations, **LruBuffer** for buffer management, **Scope** for range determination, **Base64** for Base64 encoding and decoding, and **Types** for checks of built-in object types.
 
 
 ## Modules to Import
@@ -140,7 +141,7 @@ Processes an asynchronous function and returns a promise version.
 
 | Name| Type| Readable| Writable| Description|
 | -------- | -------- | -------- | -------- | -------- |
-| encoding | string | Yes| No| Encoding format.<br>-&nbsp;Supported formats: utf-8, ibm866, iso-8859-2, iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6, iso-8859-7, iso-8859-8, iso-8859-8-i, iso-8859-10, iso-8859-13, iso-8859-14, iso-8859-15, koi8-r, koi8-u, macintosh, windows-874, windows-1250, windows-1251, windows-1252, windows-1253, windows-1254, windows-1255, windows-1256, windows-1257, windows-1258, x-mac-cyrilli, gbk, gb18030, big5, euc-jp, iso-2022-jp, shift_jis, euc-kr, utf-16be, utf-16le|
+| encoding | string | Yes| No| Encoding format.<br>- Supported formats: utf-8, ibm866, iso-8859-2, iso-8859-3, iso-8859-4, iso-8859-5, iso-8859-6, iso-8859-7, iso-8859-8, iso-8859-8-i, iso-8859-10, iso-8859-13, iso-8859-14, iso-8859-15, koi8-r, koi8-u, macintosh, windows-874, windows-1250, windows-1251, windows-1252, windows-1253, windows-1254, windows-1255, windows-1256, windows-1257, windows-1258, x-mac-cyrilli, gbk, gb18030, big5, euc-jp, iso-2022-jp, shift_jis, euc-kr, utf-16be, utf-16le|
 | fatal | boolean | Yes| No| Whether to display fatal errors.|
 | ignoreBOM | boolean | Yes| No| Whether to ignore the byte order marker (BOM). The default value is **false**, which indicates that the result contains the BOM.|
 
@@ -208,9 +209,6 @@ Decodes the input content.
   result[4] = 0x62;
   result[5] = 0x63;
   console.log("input num:");
-  for(var j= 0; j < 6; j++) {
-      console.log(result[j]);
-  }
   var retStr = textDecoder.decode( result , {stream: false});
   console.log("retStr = " + retStr);
   ```
@@ -262,6 +260,7 @@ Encodes the input content.
 **Example**
   ```js
   var textEncoder = new util.TextEncoder();
+  var buffer = new ArrayBuffer(20);
   var result = new Uint8Array(buffer);
   result = textEncoder.encode("\uD800¥¥");
   ```
@@ -361,7 +360,6 @@ Compares this **RationalNumber** object with a given object.
 | number | Returns **0** if the two objects are equal; returns **1** if the given object is less than this object; return **-1** if the given object is greater than this object.|
 
 **Example**
-
   ```js
   var rationalNumber = new util.RationalNumber(1,2);
   var rational = rationalNumer.creatRationalFromString("3/4");
@@ -484,7 +482,7 @@ Obtains the denominator of this **RationalNumber** object.
 
 ### isZero<sup>8+</sup>
 
-isZero​(): boolean
+isZero​():boolean
 
 Checks whether this **RationalNumber** object is **0**.
 
@@ -524,7 +522,7 @@ Checks whether this **RationalNumber** object is a Not a Number (NaN).
 
 ### isFinite<sup>8+</sup>
 
-isFinite​(): boolean
+isFinite​():boolean
 
 Checks whether this **RationalNumber** object represents a finite value.
 
@@ -825,7 +823,7 @@ Obtains the value of the specified key.
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| V&nbsp;\|&nbsp;undefind | Returns the value of the key if a match is found in the buffer; returns **undefined** otherwise.|
+| V \| undefind | Returns the value of the key if a match is found in the buffer; returns **undefined** otherwise.|
 
 **Example**
   ```js
@@ -872,7 +870,7 @@ Obtains all values in this buffer, listed from the most to the least recently ac
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| V&nbsp;[] | All values in the buffer, listed from the most to the least recently accessed.|
+| V [] | All values in the buffer, listed from the most to the least recently accessed.|
 
 **Example**
   ```js
@@ -895,7 +893,7 @@ Obtains all keys in this buffer, listed from the most to the least recently acce
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| K&nbsp;[] | All keys in the buffer, listed from the most to the least recently accessed.|
+| K [] | All keys in the buffer, listed from the most to the least recently accessed.|
 
 **Example**
   ```js
@@ -921,7 +919,7 @@ Removes the specified key and its value from this buffer.
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| V&nbsp;\|&nbsp;undefind | Returns an **Optional** object containing the removed key-value pair if the key exists in the buffer; returns an empty **Optional** object otherwise. If the key is null, an exception will be thrown.|
+| V \| undefind | Returns an **Optional** object containing the removed key-value pair if the key exists in the buffer; returns an empty **Optional** object otherwise. If the key is null, an exception will be thrown.|
 
 **Example**
   ```js
@@ -1038,7 +1036,7 @@ Obtains a new iterator object that contains all key-value pairs in this object.
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| [K,&nbsp;V] | Iterable array.|
+| [K, V] | Iterable array.|
 
 **Example**
   ```js
@@ -1059,7 +1057,7 @@ Obtains a two-dimensional array in key-value pairs.
 **Return value**
 | Type| Description|
 | -------- | -------- |
-| [K,&nbsp;V] | Two-dimensional array in key-value pairs.|
+| [K, V] | Two-dimensional array in key-value pairs.|
 
 **Example**
   ```js
@@ -1092,6 +1090,8 @@ Example
 ```js
 class Temperature{
     constructor(value){
+       // If TS is used for development, add the following code:
+       // private readonly _temp: Temperature;
        this._temp = value;
     }
     comapreTo(value){
@@ -1183,7 +1183,7 @@ Obtains the intersection of this **Scope** and the given **Scope**.
 
 ### intersect<sup>8+</sup>
 
-intersect(lowerObj: ScopeType,upperObj: ScopeType): Scope
+intersect(lowerObj:ScopeType,upperObj:ScopeType):Scope
 
 Obtains the intersection of this **Scope** and the given lower and upper limits.
 
@@ -1276,6 +1276,7 @@ Obtains the union set of this **Scope** and the given lower and upper limits.
 | [Scope](#scope8) | Union set of this **Scope** and the given lower and upper limits.|
 
 **Example**
+
   ```js
   var tempLower = new Temperature(30);
   var tempUpper = new Temperature(40);
@@ -1288,7 +1289,7 @@ Obtains the union set of this **Scope** and the given lower and upper limits.
 
 ### expand<sup>8+</sup>
 
-expand(range:Scope):Scope
+expand(range: Scope): Scope
 
 Obtains the union set of this **Scope** and the given **Scope**.
 
@@ -1510,7 +1511,7 @@ Decodes the input content.
 **Parameters**
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| src | Uint8Array&nbsp;\|&nbsp;string | Yes| Uint8Array or string to decode.|
+| src | Uint8Array \| string | Yes| Uint8Array or string to decode.|
 
 **Return value**
 | Type| Description|
@@ -1595,7 +1596,7 @@ Decodes the input content asynchronously.
 **Parameters**
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| src | Uint8Array&nbsp;\|&nbsp;string | Yes| Uint8Array or string to decode asynchronously.|
+| src | Uint8Array \| string | Yes| Uint8Array or string to decode asynchronously.|
 
 **Return value**
 | Type| Description|
@@ -1622,7 +1623,7 @@ Decodes the input content asynchronously.
 
 constructor()
 
-A constructor used to create a **types** object.
+A constructor used to create a **Types** object.
 
 **System capability**: SystemCapability.Utils.Lang
 

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

 # XML Parsing and Generation
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
+>
 > The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 
@@ -10,10 +11,6 @@
 import xml from '@ohos.xml';
 ```
 
-## System Capabilities
-
-SystemCapability.Utils.Lang
-
 ## XmlSerializer
 
 
@@ -23,11 +20,13 @@ constructor(buffer: ArrayBuffer | DataView, encoding?: string)
 
 A constructor used to create an **XmlSerializer** instance.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| buffer | ArrayBuffer \| DataView | Yes| **ArrayBuffer** or **DataView** for storing the XML information to write.|
+| buffer | ArrayBuffer \| DataView | Yes| **ArrayBuffer** or **DataView** for storing the XML information to write.|
 | encoding | string | No| Encoding format.|
 
 **Example**
@@ -45,6 +44,8 @@ setAttributes(name: string, value: string): void
 
 Sets an attribute.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -55,6 +56,8 @@ Sets an attribute.
 **Example**
 
 ```js
+var arrayBuffer = new ArrayBuffer(1024);
+var bufView = new DataView(arrayBuffer);
 var thatSer = new xml.XmlSerializer(bufView);
 thatSer.setAttributes("importance", "high");  
 ```
@@ -66,6 +69,8 @@ addEmptyElement(name: string): void
 
 Adds an empty element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -75,6 +80,8 @@ Adds an empty element.
 **Example**
 
 ```js
+var arrayBuffer = new ArrayBuffer(1024);
+var bufView = new DataView(arrayBuffer);
 var thatSer = new xml.XmlSerializer(bufView);
 thatSer.addEmptyElement("b"); // => <b/>
 ```
@@ -86,9 +93,13 @@ setDeclaration(): void
 
 Sets a declaration.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Example**
 
 ```js
+var arrayBuffer = new ArrayBuffer(1024);
+var bufView = new DataView(arrayBuffer);
 var thatSer = new xml.XmlSerializer(bufView);
 thatSer.setDeclaration() // => <?xml version="1.0" encoding="utf-8"?>;
 ```
@@ -100,6 +111,8 @@ startElement(name: string): void
 
 Writes the start tag based on the given element name.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -122,9 +135,13 @@ endElement(): void
 
 Writes the end tag of the element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Example**
 
 ```js
+var arrayBuffer = new ArrayBuffer(1024);
+var bufView = new DataView(arrayBuffer);
 var thatSer = new xml.XmlSerializer(bufView);
 thatSer.setNamespace("h", "http://www.w3.org/TR/html4/");
 thatSer.startElement("table");
@@ -140,6 +157,8 @@ setNamespace(prefix: string, namespace: string): void
 
 Sets the namespace for an element tag.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -164,6 +183,8 @@ setComment(text: string): void
 
 Sets the comment.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -187,6 +208,8 @@ setCDATA(text: string): void
 
 Sets CDATA attributes.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -208,6 +231,8 @@ setText(text: string): void
 
 Sets **Text**.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -232,6 +257,8 @@ setDocType(text: string): void
 
 Sets **DocType**.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -256,11 +283,13 @@ constructor(buffer: ArrayBuffer | DataView, encoding?: string)
 
 Creates and returns an **XmlPullParser** object. The **XmlPullParser** object passes two parameters. The first parameter is the memory of the **ArrayBuffer** or **DataView** type, and the second parameter is the file format (UTF-8 by default).
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| buffer | ArrayBuffer&nbsp;\|&nbsp;DataView | Yes| **ArrayBuffer** or **DataView** that contains XML text information.|
+| buffer | ArrayBuffer \| DataView | Yes| **ArrayBuffer** or **DataView** that contains XML text information.|
 | encoding | string | No| Encoding format. Only UTF-8 is supported.|
 
 **Example**
@@ -289,6 +318,8 @@ parse(option: ParseOptions): void
 
 Parses XML information.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Parameters**
 
 | Name| Type| Mandatory| Description|
@@ -329,14 +360,16 @@ that.parse(options);
 
 Defines the XML parsing options.
 
+**System capability**: SystemCapability.Utils.Lang
+
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | supportDoctype | boolean | No| Whether to ignore **Doctype**. The default value is **false**.|
 | ignoreNameSpace | boolean | No| Whether to ignore **Namespace**. The default value is **false**.|
-| tagValueCallbackFunction | (name:&nbsp;string,&nbsp;value:&nbsp;string)=&gt;&nbsp;boolean | No| Callback used to return **tagValue**.|
-| attributeValueCallbackFunction | (name:&nbsp;string,&nbsp;value:&nbsp;string)=&gt;&nbsp;boolean | No| Callback used to return **attributeValue**.|
-| tokenValueCallbackFunction | (eventType:&nbsp;[EventType](#eventtype),&nbsp;value:&nbsp;[ParseInfo](#parseinfo))=&gt;&nbsp;boolean | No| Callback used to return **tokenValue**.|
+| tagValueCallbackFunction | (name: string, value: string)=&gt; boolean | No| Callback used to return **tagValue**.|
+| attributeValueCallbackFunction | (name: string, value: string)=&gt; boolean | No| Callback used to return **attributeValue**.|
+| tokenValueCallbackFunction | (eventType: [EventType](#eventtype), value: [ParseInfo](#parseinfo))=&gt; boolean | No| Callback used to return **tokenValue**.|
 
 ## ParseInfo
 
@@ -349,6 +382,8 @@ getColumnNumber(): number
 
 Obtains the column line number, which starts from 1.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -362,6 +397,8 @@ getDepth(): number
 
 Obtains the depth of this element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -375,6 +412,8 @@ getLineNumber(): number
 
 Obtains the current line number, starting from 1.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -388,6 +427,8 @@ getName(): string
 
 Obtains the name of this element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -401,6 +442,8 @@ getNamespace(): string
 
 Obtains the namespace of this element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -414,6 +457,8 @@ getPrefix(): string
 
 Obtains the prefix of this element.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -427,6 +472,8 @@ getText(): string
 
 Obtains the text of the current event.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -440,6 +487,8 @@ isEmptyElementTag(): boolean
 
 Checks whether the current element is empty.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -453,6 +502,8 @@ isWhitespace(): boolean
 
 Checks whether the current text event contains only whitespace characters.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 
 | Type| Description|
@@ -466,6 +517,8 @@ getAttributeCount(): number
 
 Obtains the number of attributes for the current start tag.
 
+**System capability**: SystemCapability.Utils.Lang
+
 **Return value**
 | Type| Description|
 | -------- | -------- |
@@ -476,6 +529,8 @@ Obtains the number of attributes for the current start tag.
 
 Enumerates the events.
 
+**System capability**: SystemCapability.Utils.Lang
+
 | Name| Value| Description|
 | -------- | -------- | -------- |
 | START_DOCUMENT | 0 | Indicates a start document event.|