API Docs for: v2.11.0
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Ember.MapWithDefault Class

Extends Ember.Map
Defined in: packages/ember-metal/lib/map.js:411
Module: ember-metal
Parent Module: ember

Constructor

Ember.MapWithDefault

(
  • [options]
)
private

Defined in packages/ember-metal/lib/map.js:411

Parameters:

  • [options] Object optional
    • [defaultValue] optional

Item Index

Methods

Properties

Methods

clear

() private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:391

copy

() Ember.MapWithDefault private

Inherited from Ember.Map but overwritten in packages/ember-metal/lib/map.js:467

Returns:

Ember.MapWithDefault:

create

(
  • [options]
)
Ember.MapWithDefault | Ember.Map private static

Defined in packages/ember-metal/lib/map.js:425

Parameters:

  • [options] Object optional
    • [defaultValue] optional

Returns:

Ember.MapWithDefault | Ember.Map:

If options are passed, returns Ember.MapWithDefault otherwise returns Ember.Map

delete

(
  • key
)
Boolean private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:320

Available since 1.8.0

Removes a value from the map for an associated key.

Parameters:

  • key

Returns:

Boolean:

true if an item was removed, false otherwise

forEach

(
  • callback
  • self
)
private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:358

Iterate over all the keys and values. Calls the function once for each key, passing in value, key, and the map being iterated over, in that order.

The keys are guaranteed to be iterated over in insertion order.

Parameters:

  • callback Function
  • self

    if passed, the this value inside the callback. By default, this is the map.

get

(
  • key
)
private

Inherited from Ember.Map but overwritten in packages/ember-metal/lib/map.js:447

Retrieve the value associated with a given key.

Parameters:

  • key

Returns:

:

the value associated with the key, or the default value

has

(
  • key
)
Boolean private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:346

Check whether a key is present.

Parameters:

  • key

Returns:

Boolean:

true if the item was present, false otherwise

set

(
  • key
  • value
)
Ember.Map private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:293

Adds a value to the map. If a value for the given key has already been provided, the new value will replace the old value.

Parameters:

  • key
  • value

Returns:

Ember.Map:

Properties

size

Number private

Inherited from Ember.Map: packages/ember-metal/lib/map.js:265

Available since 1.8.0

This property will change as the number of objects in the map changes.

Default: 0