_ in lodash code example

Example 1: how to collect keys using lodash javascript

import * as _ from 'lodash';

const objectMap = {'key1': 'value1', 'key2': 'value2'};
const allKeys = _.keys(objectMap); //Returns a string[]. Here it will be ['key1','key2'];

Example 2: lodash find object in array

var users = [
  { 'user': 'barney',  'age': 36, 'active': true },
  { 'user': 'fred',    'age': 40, 'active': false },
  { 'user': 'pebbles', 'age': 1,  'active': true }
];
 
_.find(users, function(o) { return o.age < 40; });
// => object for 'barney'