map

array | map: string

Creates an array of values from a specific property of the items in an array.

{%- assign product_titles = collection.products | map: 'title' -%}

{%- assign product_titles = collection.products | map: 'title' -%}

{{ product_titles | join: ', ' }}

{
  "collection": {
    "products": [
      {
        "title": "Draught of Immortality"
      },
      {
        "title": "Glacier ice"
      },
      {
        "title": "Health potion"
      },
      {
        "title": "Invisibility potion"
      }
    ]
  }
}

Output

Draught of Immortality, Glacier ice, Health potion, Invisibility potion

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