updated docs

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

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

@@ -154,7 +154,6 @@ deque.insertEnd(4);
 deque.insertFront(5);
 deque.insertFront(2);
 deque.insertFront(4);
-deque.popLast();
 let result = deque.popLast();
 ```
 

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

@@ -319,7 +319,7 @@ let result = hashMap.replace("sdfs", 357);
 
 ### forEach
 
-forEach(callbackfn: (value: V, key?: K, map?: HashMap<K, V>) => void, thisArg?: Object): void
+forEach(callbackfn: (value?: V, key?: K, map?: HashMap<K, V>) => void, thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 

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

@@ -184,7 +184,7 @@ while(temp != undefined) {
 
 ### forEach
 
-forEach(callbackfn: (value: T, key?: T, set?: HashSet<T>) => void, thisArg?: Object): void
+forEach(callbackfn: (value?: T, key?: T, set?: HashSet<T>) => void, thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 

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

@@ -510,7 +510,7 @@ while(temp != undefined) {
 
 ### forEach
 
-forEach(callbackfn: (value: V, key?: K, map?: LightWeightMap<K, V>) => void, thisArg?: Object): void
+forEach(callbackfn: (value?: V, key?: K, map?: LightWeightMap<K, V>) => void, thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 
@@ -569,7 +569,7 @@ while(temp != undefined) {
 
 ### toString
 
-toString(): string
+toString(): String
 
 Concatenates the entries in this container into a string and returns the string.
 
@@ -577,7 +577,7 @@ Concatenates the entries in this container into a string and returns the string.
 
   | Type| Description|
   | -------- | -------- |
-  | string | Returns a string.|
+  | String | Returns a string.|
 
 **Example**
 

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

@@ -160,7 +160,7 @@ Checks whether this container has the specified key.
 let lightWeightSet = new LightWeightSet();
 let result = lightWeightSet.has(123);
 lightWeightSet.add(123);
-let result = lightWeightSet.has(123);
+result = lightWeightSet.has(123);
 ```
 
 
@@ -188,7 +188,7 @@ Checks whether this container contains objects of the same type as the specified
 let lightWeightSet = new LightWeightSet();
 lightWeightSet.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
 lightWeightSet.add("sdfs");
-let obj = {"Ahfbrgrbgnutfodgorrogorgrogofdfdf", "sdfs"};
+let obj = ["Ahfbrgrbgnutfodgorrogorgrogofdfdf", "sdfs"];
 let result = lightWeightSet.equal(obj);
 ```
 
@@ -223,7 +223,7 @@ Obtains the position index of the entry with the specified key in this container
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| key | T | Yes| Key of the entry to query.|
+| key| T | Yes| Key of the entry to query.|
 
 **Return value**
 
@@ -251,7 +251,7 @@ Removes an entry of the specified key from this container.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| key | T | Yes| Key of the entry to remove.|
+| key| T | Yes| Key of the entry to remove.|
 
 **Return value**
 
@@ -414,7 +414,7 @@ while(index < lightWeightSet.length) {
 
 ### forEach
 
-forEach(callbackfn: (value: T, key?: T, set?: LightWeightSet&lt;T&gt;) => void, thisArg?: Object): void
+forEach(callbackfn: (value?: T, key?: T, set?: LightWeightSet&lt;T&gt;) => void, thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 
@@ -429,7 +429,7 @@ callbackfn
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | value | T | Yes| Value of the entry that is currently traversed.|
-| key | T | No| Key of the entry that is currently traversed (same as **value**).|
+| key| T | No| Key of the entry that is currently traversed (same as **value**).|
 | set | LightWeightSet&lt;T&gt; | No| Instance that invokes the **forEach** method.|
 
 **Example**

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

@@ -27,16 +27,10 @@ SystemCapability.Utils.Lang
 
 ### constructor
 
-constructor(head?: NodeObj<T>, tail?: NodeObj<T>)
+constructor()
 
 A constructor used to create a **LinkedList** instance.
 
-**Parameters**
-
-| Name| Type| Readable| Writable| Description|
-| -------- | -------- | -------- | -------- | -------- |
-| head | NodeObj<T> | Yes| No| Node object, including **element**, **next**, and **prev**.|
-| tail | NodeObj<T> | Yes| No| Node object, including **element**, **next**, and **prev**.|
 
 **Example**
 
@@ -300,7 +294,7 @@ let result = linkedList.removeFirst();
 
 ### removeLast
 
-removeLst(): T
+removeLast(): T
 
 Removes the last entry from this container.
 

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

@@ -27,15 +27,10 @@ SystemCapability.Utils.Lang
 
 ### constructor
 
-constructor(head?: NodeObj<T>)
+constructor()
 
 A constructor used to create a **List** instance.
 
-**Parameters**
-
-| Name| Value Type | Readable| Description|
-| -------- | -------- | -------- | -------- |
-| head | NodeObj<T> | Yes| Node object, including **element** and **next**.|
 
 **Example**
 
@@ -106,7 +101,7 @@ Checks whether this container has the specified entry.
 
 | Name| Value Type | Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| element | T | Yes| Entry to query.|
+| element | T | Yes| Entry to check.|
 
 **Return value**
 
@@ -465,6 +460,7 @@ list.clear();
 
 ### set
 set(index: number, element: T): T
+
 Replaces an entry at the specified position in this container with a given entry.
 
 **Parameters**

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

@@ -416,7 +416,7 @@ plainArray.clear();
 
 ### forEach
 
-forEach(callbackfn: (value: T, key?: number, PlainArray?: PlainArray<number, T>) => void, thisArg?: Object): void
+forEach(callbackfn: (value?: T, index?: number, PlainArray?: PlainArray<T>) => void, thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 
@@ -431,8 +431,8 @@ callbackfn
 | Name| Type | Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | value | T | Yes| Value of the entry that is currently traversed.|
-| key | number | Yes| Key of the entry that is currently traversed.|
-| plainArray | PlainArray<number, T> | No| Instance that invokes the **forEach** API.|
+| index | number | Yes| Key of the entry that is currently traversed.|
+| plainArray | PlainArray<T> | No| Instance that invokes the **forEach** API.|
 
 **Example**
 

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

@@ -569,6 +569,7 @@ let result = vector.toSting();
 ### copyToArray
 
 copyToArray(array: Array<T>): void
+
 Copies entries in this container into an array to overwrite elements of the same position indexes.
 
 **Parameters**