Run results for: Array filter vs Lodash intersection 1

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36

Browser: Chrome 112

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Native	6889.4 Ops/sec
Lodash	16692.2 Ops/sec

Script Preparation code:

var arr1 = [];
for (let i = 0; i < 1000; i++) {
  arr1.push(i);
}
arr1 = _.shuffle(arr1);

var arr2 = [];
for (let i = 500; i < 1500; i++) {
  arr2.push(i);
}
arr2 = _.shuffle(arr2);

Tests:

Native
arr1.filter(item => arr2.indexOf(item) > -1);
Lodash
_.intersection(arr1, arr2);

Run results for: Array filter vs Lodash intersection 1

Native

Lodash