Run results for: native intersect vs lodash intersection small and large

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:106.0) Gecko/20100101 Firefox/106.0

Browser: Firefox 106

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
native small	363110.0 Ops/sec
lodash small	931011.7 Ops/sec
native big	6864.3 Ops/sec
lodash big	6636.5 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js'></script>

Script Preparation code:

function intersect(...array) {
    var s = new Set();
    for(var a of array) {
        for(var item of a) {
            s.add(item)
        }
    }
    return [...s];
}
var a1 = [];
var a2 = [];
var a3 = [];
for (var i = 0; i < 10; i++) {
  a1.push(~~(Math.random() * 10))
  a2.push(~~(Math.random() * 10))
  a3.push(~~(Math.random() * 10))
}

var a4 = [];
var a5 = [];
var a6 = [];
for (var i = 0; i < 1000; i++) {
  a4.push(~~(Math.random() * 100))
  a5.push(~~(Math.random() * 100))
  a6.push(~~(Math.random() * 100))
}

Tests:

native small
intersect(a1, a2, a3);
lodash small
_.intersection(a1, a2, a3);
native big
intersect(a4, a5, a6);
lodash big
_.intersection(a4, a5, a6);

Run results for: native intersect vs lodash intersection small and large

native small

lodash small

native big

lodash big