Run results for: lodash test sort by 1 vs 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

sort by 1

27K/s

sort by twice

21K/s

View exact numbers

Test name	Executions per second
✓ sort by 1	27,124 Ops/sec
sort by twice	20,640 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/2.4.1/lodash.min.js"></script>

Script Preparation code:

function shuffle(a) {
    var j, x, i;
    for (i = a.length; i; i--) {
        j = Math.floor(Math.random() * i);
        x = a[i - 1];
        a[i - 1] = a[j];
        a[j] = x;
    }
}
var all = [];
var ids = [];
var allLength = 1000;
var idsLength = 100;

for(var i = 0; i < allLength; i++) {
  all[i] = i;
}

for(var i = 0; i < allLength; i++) {
  ids[i] = i;
}
ids = ids.splice(allLength - idsLength)
shuffle(all);
shuffle(ids);

Tests:

sort by 1
var output = _.sortBy(ids) console.log(output);
sort by twice
let output = _.sortBy(ids) output = _.sortBy(ids, a => a[5]) console.log(output);