javascript get values from array of objects code example

Example 1: get all entries in object as array hjs

const object1 = {
  a: 'somestring',
  b: 42
};

for (let [key, value] of Object.entries(object1)) {
  console.log(`${key}: ${value}`);
}

// expected output:
// "a: somestring"
// "b: 42"
// order is not guaranteed

Example 2: object get array of values

const data = {
    "2015": {
        "year": 2015,
        "cover": {}
    }
}

Object.entries(data).forEach(([key, value]) => console.log(key, value));

Example 3: map a property from array of objects javascript

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