Run results for: Underscore each vs Native for

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Native For loop

13K/s

Underscore

10K/s

View exact numbers

Test name	Executions per second
✓ Native For loop	12,609 Ops/sec
Underscore	10,032 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.0/underscore.js"></script>

Script Preparation code:

  var data = [
  20,
    25,
    21,
    24,
    23,
    39,
    44,
    33,
    32,
    31,
    35,
    28,
    26,
    29,
    30,
    36,
    27,
    3,
    22,
    47,
    19,
    15,
    18,
    34,
    38,
    2,
    37,
    40,
    48,
    46,
    45,
    41,
    42,
    43,
    6,
    1,
    5,
    16,
    9,
    17,
    13,
    14,
    12,
    8,
    10,
    11,
    4,
    7,
  ];

Tests:

Underscore
_.each(data, (item, index) => { console.log(item); });
Native For loop
for (var i=0, total=data.length; i<total; i++) { console.log(data[i]); }