Answers for "how to get object property from array"

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]

find object in array javascript with property

let obj = objArray.find(obj => obj.id == 3);

javascript return object property from array

// ES5 compatible browsers
let result = objArray.map(a => a.foo);
OR
let result = objArray.map(({ foo }) => foo)

// FOR IE8 or older
var result = objArray.map(function(a) {return a.foo;});