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[DOC] Document get helper array element access with second arg of type number #19871

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Jan 12, 2022
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[DOC] Document get helper array element access with second arg of type number #19871

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18 changes: 16 additions & 2 deletions packages/@ember/-internals/glimmer/lib/helpers/get.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,9 @@
*/

/**
Dynamically look up a property on an object. The second argument to `{{get}}`
should have a string value, although it can be bound.
Dynamically look up a property on an object or an element in an array.
The second argument to `{{get}}` should have a string or number value,
although it can be bound.

For example, these two usages are equivalent:

Expand Down Expand Up @@ -77,6 +78,19 @@
Would allow the user to swap what fact is being displayed, and also edit
that fact via a two-way mutable binding.

The `{{get}}` helper can also be used for array element access via index.
This would display the value of the first element in the array `this.names`:

```handlebars
{{get this.names 0}}
```

Array element access also works with a dynamic second argument:

```handlebars
{{get this.names @index}}
```

@public
@method get
@for Ember.Templates.helpers
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