--- id: dv3u tags: [] created: Friday, June 28, 2024 --- # Concise mapping of object subfileds in JS ## Scenario You have an array of objects and you want to return the objects with only a subset of the fields. ## Implementation Standard approach with a map: ```js const arrayOfObjs = [ { id: 12, name: "Thomas" }, { id: 3, name: "Gerald" }, ]; // We just want the `name` property const subset = arrayOfObjs.map((obj) => { name: obj.name; }); ``` More concise approach with destructuring: ```js const subset = arrayOfObjs.map(({ name }) => ({ name })); ``` ## Related notes