Answers for "how get a keys into a list of dictionarys in javascript"

get keys of dictionary js

// Get keys of a dictionary
let dict = { a:1 , b:2 , c:3 }

console.log( Object.keys(dict) ) // expected output : ['a', 'b', 'c']

array of dictionaries get values by key javascript

const car = [{id: "1", brand: "Opel"}, {id: "2", brand: "Haima"},{id: "3", brand: "Toyota"}];

const brands = car.map(({ brand }) => brand);