Class Ember.NativeArray

public
Uses: Observable , MutableArray
Defined in: packages/@ember/-internals/runtime/lib/mixins/array.ts:1896
Module: ember

The NativeArray mixin contains the properties needed to make the native Array support MutableArray and all of its dependent APIs. Unless you have EmberENV.EXTEND_PROTOTYPES or EmberENV.EXTEND_PROTOTYPES.Array set to false, this will be applied automatically. Otherwise you can apply the mixin at anytime by calling Ember.NativeArray.apply(Array.prototype).

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[] public

Module: ember

Inherited from EmberArray packages/@ember/-internals/runtime/lib/mixins/array.ts:373

returns
this

This is the handler for the special array content property. If you get this property, it will return this. If you set this property to a new array, it will replace the current content.

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let peopleToMoon = ['Armstrong', 'Aldrin'];

peopleToMoon.get('[]'); // ['Armstrong', 'Aldrin']

peopleToMoon.set('[]', ['Collins']); // ['Collins']
peopleToMoon.get('[]'); // ['Collins']

firstObject Object | undefined public

Module: ember

Inherited from EmberArray packages/@ember/-internals/runtime/lib/mixins/array.ts:401

returns
Object | undefined
The first object in the array

The first object in the array, or undefined if the array is empty.

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let vowels = ['a', 'e', 'i', 'o', 'u'];
vowels.firstObject; // 'a'

vowels.shiftObject();
vowels.firstObject; // 'e'

vowels.reverseObjects();
vowels.firstObject; // 'u'

vowels.clear();
vowels.firstObject; // undefined

lastObject Object | undefined public

Module: ember

Inherited from EmberArray packages/@ember/-internals/runtime/lib/mixins/array.ts:426

returns
Object | undefined
The last object in the array

The last object in the array, or undefined if the array is empty.

length public

Module: ember

Inherited from EmberArray packages/@ember/-internals/runtime/lib/mixins/array.ts:319

Required. You must implement this method to apply this mixin.

Your array must support the length property. Your replace methods should set this property whenever it changes.