1var filter = {
2  address: 'England',
3  name: 'Mark'
4};
5var users = [{
6    name: 'John',
7    email: 'johnson@mail.com',
8    age: 25,
9    address: 'USA'
10  },
11  {
12    name: 'Tom',
13    email: 'tom@mail.com',
14    age: 35,
15    address: 'England'
16  },
17  {
18    name: 'Mark',
19    email: 'mark@mail.com',
20    age: 28,
21    address: 'England'
22  }
23];
24
25
26users= users.filter(function(item) {
27  for (var key in filter) {
28    if (item[key] === undefined || item[key] != filter[key])
29      return false;
30  }
31  return true;
32});
33
34console.log(users)

1// use .filter and write multiple validations in the callback function
2
3let numbers = [3, 7, 2, 15, 4, 9, 21, 14];
4
5let filteredNumbers = numbers.filter(function (currentElement) {
6  if (currentElement > 3 && currentElement < 17) {
7    return true;
8  }
9});
10
11console.log(filteredNumbers);