Answers for "javascript how to get only certain property from array of objects"

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]

get only one value from object array javascript

var result = objArray.map(function(a) {return a.foo;});
var result = objArray.map(a => a.foo);

//$uj@y