API Docs for: 1.0 pre
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Ember.MapWithDefault Class

Extends Ember.Map
Defined in: ../packages_es6/ember-metal/lib/map.js:316
Module: ember-metal

Constructor

Ember.MapWithDefault

(
  • [options]
)
private

Defined in ../packages_es6/ember-metal/lib/map.js:316

Parameters:

  • [options] Object optional
    • [defaultValue] optional

Item Index

Methods

Properties

Methods

create

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

Defined in ../packages_es6/ember-metal/lib/map.js:330

Parameters:

  • [options] Object optional
    • [defaultValue] optional

Returns:

Ember.MapWithDefault | Ember.Map:

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

forEach

(
  • callback
  • self
)

Inherited from Ember.Map: ../packages_es6/ember-metal/lib/map.js:286

Iterate over all the keys and values. Calls the function once for each key, passing in the key and value, 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
)

Inherited from Ember.Map but overwritten in ../packages_es6/ember-metal/lib/map.js:348

Retrieve the value associated with a given key.

Parameters:

  • key

Returns:

:

the value associated with the key, or the default value

has

(
  • key
)
Boolean

Inherited from Ember.Map: ../packages_es6/ember-metal/lib/map.js:272

Check whether a key is present.

Parameters:

  • key

Returns:

Boolean:

true if the item was present, false otherwise

remove

(
  • key
)
Boolean

Inherited from Ember.Map: ../packages_es6/ember-metal/lib/map.js:248

Removes a value from the map for an associated key.

Parameters:

  • key

Returns:

Boolean:

true if an item was removed, false otherwise

set

(
  • key
  • value
)

Inherited from Ember.Map: ../packages_es6/ember-metal/lib/map.js:230

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

Properties

length

Number

Inherited from Ember.Map: ../packages_es6/ember-metal/lib/map.js:206

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

Default: 0