Run results for: function vs arrow

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

Browser: Firefox 67

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Tests:

function
const array = [1, 2, 3, 4, 5]; const filtered = array.filter(function(d) { return d % 2 === 0; });
arrow
const array = [1, 2, 3, 4, 5]; const filtered = array.filter((d) => { return d % 2 === 0; });
arrow-direct
const array = [1, 2, 3, 4, 5]; const filtered = array.filter(d => d % 2 === 0);
arrow-direct2
const array = [1, 2, 3, 4, 5]; const filtered = array.filter((d) => d % 2 === 0);