Answers for "find a property in all objects in array javascript"

get array of all property in object array

objArray = [ { foo: 1, bar: 2}, { foo: 3, bar: 4}, { foo: 5, bar: 6} ];
let result = objArray.map(a => a.foo); //[1,3,5]
//OR
let result = objArray.map(({ foo }) => foo) //[1,3,5]

javascript find object by property in array

// To find a specific object in an array of objects
myObj = myArrayOfObjects.find(obj => obj.prop === 'something');