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Update documentation for get helper #1750

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merged 3 commits into from
Dec 10, 2021
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Update documentation for get helper #1750

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1100e3c
update get helper with string & integer use
Nov 30, 2021
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MahemaS27 Dec 7, 2021
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MahemaS27 Dec 10, 2021
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20 changes: 17 additions & 3 deletions guides/release/components/helper-functions.md
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Expand Up @@ -208,9 +208,22 @@ For the full list of available helpers, you can check the [template helpers API
### The `get` helper

The [`{{get}}`](https://api.emberjs.com/ember/release/classes/Ember.Templates.helpers/methods/get?anchor=get)
helper makes it easy to dynamically send the value of a variable to another
helper or component. This can be useful if you want to output one of several
values based on the result of a getter.
helper makes it easy to dynamically look up a property on an object or an element in an array. The second argument to `{{get}}` can be a string or a number, depending on the object being accessed.


To access a property on an object with a string key:

```handlebars
{{get this.someObject "object_key"}}
```

To access the first element in an array:

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

To access a property on an object with a dynamic key:

```handlebars
{{get this.address this.part}}
Expand All @@ -219,6 +232,7 @@ values based on the result of a getter.
If the `part` getter returns "zip", this will display the result of `this.address.zip`.
If it returns "city", you get `this.address.city`.


### The `concat` helper

We mentioned above that helpers can be nested. This can be
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