updated docs

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

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

@@ -264,6 +264,7 @@ arrayList.removeByRange(2, 6);
 ```
 
 ### replaceAllElements
+
 replaceAllElements(callbackfn: (value: T, index?: number, arrlist?: ArrayList<T>) => T,
 thisArg?: Object): void
 
@@ -301,6 +302,7 @@ arrayList.replaceAllElements((value, index) => {
 ```
 
 ### forEach
+
 forEach(callbackfn: (value: T, index?: number, arrlist?: ArrayList<T>) => void,
 thisArg?: Object): void
 
@@ -335,6 +337,7 @@ arrayList.forEach((value, index) => {
 ```
 
 ### sort
+
 sort(comparator?: (firstValue: T, secondValue: T) => number): void
 
 Sorts entries in this container.
@@ -366,6 +369,7 @@ arrayList.sort();
 ```
 
 ### subArrayList
+
 subArrayList(fromIndex: number, toIndex: number): ArrayList<T>
 
 Obtains entries within a range in this container, including the entry at the start position but not that at the end position, and returns these entries as a new **ArrayList** instance.
@@ -397,6 +401,7 @@ let result3 = arrayList.subArrayList(2, 6);
 ```
 
 ### clear
+
 clear(): void
 
 Clears this container and sets its length to **0**.
@@ -413,6 +418,7 @@ arrayList.clear();
 ```
 
 ### clone
+
 clone(): ArrayList<T> 
 
 Clones this container and returns a copy. The modification to the copy does not affect the original instance.
@@ -436,6 +442,7 @@ let result = arrayList.clone();
 ```
 
 ### getCapacity
+
 getCapacity(): number
 
 Obtains the capacity of this container.
@@ -458,6 +465,7 @@ let result = arrayList.getCapacity();
 ```
 
 ### convertToArray
+
 convertToArray(): Array<T>
 
 Converts this container into an array.
@@ -480,6 +488,7 @@ let result = arrayList.convertToArray();
 ```
 
 ### isEmpty
+
 isEmpty(): boolean
 
 Checks whether this container is empty (contains no entry).
@@ -502,6 +511,7 @@ let result = arrayList.isEmpty();
 ```
 
 ### increaseCapacityTo
+
 increaseCapacityTo(newCapacity: number): void
 
 Increases the capacity of this container.
@@ -525,6 +535,7 @@ arrayList.increaseCapacityTo(8);
 ```
 
 ### trimToCurrentLength
+
 trimToCurrentLength(): void
 
 Trims the capacity of this container to its current length.

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

@@ -158,6 +158,7 @@ let result = deque.popLast();
 ```
 
 ### forEach
+
 forEach(callbackfn: (value: T, index?: number, deque?: Deque<T>) => void,
 thisArg?: Object): void
 
@@ -193,7 +194,7 @@ deque.forEach((value, index) => {
 
 ### getFirst
 
-getFirst(): T;
+getFirst(): T
 
 Obtains the first entry of this container.
 

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

@@ -198,7 +198,7 @@ Uses a callback to traverse the entries in this container and obtain their posit
 callbackfn
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| value | T | Yes| Value of the entry that is currently traversed.|
+| value | T | No| Value of the entry that is currently traversed.|
 | key | T | No| Key of the entry that is currently traversed (same as **value**).|
 | set | HashSet<T> | No| Instance that invokes the **forEach** method.|
 

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

@@ -524,8 +524,8 @@ Uses a callback to traverse the entries in this container and obtain their posit
 callbackfn
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| value | V | Yes| Value of the entry that is currently traversed.|
-| key | K | Yes| Key of the entry that is currently traversed.|
+| value | V | No| Value of the entry that is currently traversed.|
+| key | K | No| Key of the entry that is currently traversed.|
 | map | LightWeightMap<K, V> | No| Instance that invokes the **forEach** method.|
 
 **Example**

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

@@ -279,7 +279,7 @@ Removes the entry at the specified position from this container.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| index | number | Yes| Position index of the entry to remove.|
+| index | number | Yes| Position index of the entry.|
 
 **Return value**
 

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

@@ -117,6 +117,7 @@ let result = queue.getFirst();
 ```
 
 ### forEach
+
 forEach(callbackfn: (value: T, index?: number, Queue?: Queue<T>) => void,
 thisArg?: Object): void
 

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

@@ -145,6 +145,7 @@ let result = stack.locate(2);
 ```
 
 ### forEach
+
 forEach(callbackfn: (value: T, index?: number, stack?: Stack<T>) => void,
 thisArg?: Object): void
 
@@ -179,6 +180,7 @@ stack.forEach((value, index) => {
 ```
 
 ### isEmpty
+
 isEmpty(): boolean
 
 Checks whether this container is empty (contains no entries).

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

@@ -241,7 +241,8 @@ let result = vector.remove(2);
 ```
 
 ### removeByRange
-removeByRange(fromIndex: number, toIndex: number): void;
+
+removeByRange(fromIndex: number, toIndex: number): void
 
 Removes from this container all of the entries within a range, including the entry at the start position but not that at the end position.
 
@@ -266,6 +267,7 @@ vector.removeByRange(2,6);
 ```
 
 ### replaceAllElements
+
 replaceAllElements(callbackfn: (value: T, index?: number, vector?: Vector<T>) => T,
 thisArg?: Object): void
 
@@ -303,8 +305,9 @@ vector.replaceAllElements((value, index) => {
 ```
 
 ### forEach
+
 forEach(callbackfn: (value: T, index?: number, vector?: Vector<T>) => void,
-thisArg?: Object): void;
+thisArg?: Object): void
 
 Uses a callback to traverse the entries in this container and obtain their position indexes.
 
@@ -338,6 +341,7 @@ vector.forEach((value, index) => {
 ```
 
 ### sort
+
 sort(comparator?: (firstValue: T, secondValue: T) => number): void
 
 Sorts entries in this container.
@@ -369,6 +373,7 @@ vector.sort();
 ```
 
 ### subVector
+
 subVector(fromIndex: number, toIndex: number): Vector<T>
 
 Obtains entries within a range in this container, including the entry at the start position but not that at the end position, and returns these entries as a new **Vector** instance.
@@ -401,6 +406,7 @@ let result2 = vector.subVector(2,6);
 ```
 
 ### clear
+
 clear(): void
 
 Clears all entries in this container and sets its length to **0**.
@@ -417,6 +423,7 @@ vector.clear();
 ```
 
 ### clone
+
 clone(): Vector<T>
 
 Clones this container and returns a copy. The modification to the copy does not affect the original instance.
@@ -439,6 +446,7 @@ let result = vector.clone();
 ```
 
 ### getCapacity
+
 getCapacity(): number
 
 Obtains the capacity of this container.
@@ -461,6 +469,7 @@ let result = vector.getCapacity();
 ```
 
 ### convertToArray
+
 convertToArray(): Array<T>
 
 Converts this container into an array.
@@ -483,6 +492,7 @@ let result = vector.convertToArray();
 ```
 
 ### isEmpty
+
 isEmpty(): boolean
 
 Checks whether this container is empty (contains no entries).
@@ -505,6 +515,7 @@ let result = vector.isEmpty();
 ```
 
 ### increaseCapacityTo
+
 increaseCapacityTo(newCapacity: number): void
 
 Increases the capacity of this container.
@@ -700,6 +711,7 @@ let result = vector.getIndexFrom(4, 3);
 ```
 
 ### setLength
+
 setLength(newSize: number): void
 
 Sets a new length for this container.
@@ -723,6 +735,7 @@ vector.setLength(2);
 ```
 
 ### get
+
 get(index: number): T 
 
 Obtains an entry at the specified position in this container.
@@ -750,6 +763,7 @@ Obtains an entry at the specified position in this container.
   let result = vector.get(2);
   ```
 ### set
+
 set(index: number, element: T): T
 
 Replaces an entry at the specified position in this container with a given entry.