The keys of a Map can be arbitrary values.
var map = new Map([
[ 1, 'one' ],
[ 2, 'two' ],
[ 3, 'three' ]
]);
Constructor
new Map(elements)
Parameters
name | type | optional | description |
|---|---|---|---|
elements | Array.<*> | No | An optional array of key-value pairs to populate this Map with. |
Scope: static
Source: src/structs/Map.js#L18
Since: 3.0.0
Public Members
entries
entries: Object.<string, *>
Description:
The entries in this Map.
Tags:
- genericUse
Source: src/structs/Map.js#L47
Since: 3.0.0
size
size: number
Description:
The number of key / value pairs in this Map.
Source: src/structs/Map.js#L59
Since: 3.0.0
Public Methods
clear
<instance> clear()
Description:
Delete all entries from this Map.
Tags:
- genericUse
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L217
Since: 3.0.0
contains
<instance> contains(value)
Description:
Returns true if the value exists within this Map. Otherwise, returns false.
Tags:
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
value | * | No | The value to search for. |
Returns: boolean - true if the value is found, otherwise false.
Source: src/structs/Map.js#L330
Since: 3.0.0
delete
<instance> delete(key)
Description:
Delete the specified element from this Map.
Tags:
- genericUse
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
key | string | No | The key of the element to delete from this Map. |
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L193
Since: 3.0.0
dump
<instance> dump()
Description:
Dumps the contents of this Map to the console via console.group.
Source: src/structs/Map.js#L278
Since: 3.0.0
each
<instance> each(callback)
Description:
Iterates through all entries in this Map, passing each one to the given callback.
If the callback returns false, the iteration will break.
Tags:
- genericUse
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
callback | EachMapCallback | No | The callback which will receive the keys and entries held in this Map. |
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L300
Since: 3.0.0
get
<instance> get(key)
Description:
Returns the value associated to the key, or undefined if there is none.
Tags:
- genericUse
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
key | string | No | The key of the element to return from the |
Returns: * - The element associated with the specified key or undefined if the key can't be found in this Map object.
Source: src/structs/Map.js#L132
Since: 3.0.0
getArray
<instance> getArray()
Description:
Returns an Array of all the values stored in this Map.
Tags:
- genericUse
Returns: Array.<*> - An array of the values stored in this Map.
Source: src/structs/Map.js#L153
Since: 3.0.0
has
<instance> has(key)
Description:
Returns a boolean indicating whether an element with the specified key exists or not.
Tags:
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
key | string | No | The key of the element to test for presence of in this Map. |
Returns: boolean - Returns true if an element with the specified key exists in this Map, otherwise false.
Source: src/structs/Map.js#L176
Since: 3.0.0
keys
<instance> keys()
Description:
Returns all entries keys in this Map.
Tags:
- genericUse
Returns: Array.<string> - Array containing entries' keys.
Source: src/structs/Map.js#L240
Since: 3.0.0
merge
<instance> merge(map, [override])
Description:
Merges all new keys from the given Map into this one.
If it encounters a key that already exists it will be skipped unless override is set to true.
Tags:
- genericUse
Parameters:
name | type | optional | default | description |
|---|---|---|---|---|
map | No | The Map to merge in to this Map. | ||
override | boolean | Yes | false | Set to |
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L357
Since: 3.0.0
set
<instance> set(key, value)
Description:
Adds an element with a specified key and value to this Map.
If the key already exists, the value will be replaced.
If you wish to add multiple elements in a single call, use the setAll method instead.
Tags:
- genericUse
- genericUse
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
key | string | No | The key of the element to be added to this Map. |
value | * | No | The value of the element to be added to this Map. |
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L101
Since: 3.0.0
setAll
<instance> setAll(elements)
Description:
Adds all the elements in the given array to this Map.
If the element already exists, the value will be skipped.
Tags:
- generic
- generic
- genericUse
Parameters:
name | type | optional | description |
|---|---|---|---|
elements | Array.<*> | No | An array of key-value pairs to populate this Map with. |
Returns: Phaser.Structs.Map - This Map object.
Source: src/structs/Map.js#L72
Since: 3.70.0
values
<instance> values()
Description:
Returns an Array of all entries.
Tags:
- genericUse
Returns: Array.<*> - An Array of entries.
Source: src/structs/Map.js#L255
Since: 3.0.0