Run results for: Array.prototype.slice vs spread operator with find and array of tuples with reverse

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.slice	48523.8 Ops/sec
spread operator	30544.6 Ops/sec

Tests:

Array.prototype.slice
const params = [ [0, "fda0s"],[2, "fda2s"],[3, "fda3s"],[4, "fda4s"],[5, "fda5s"],[6, "fda6s"],[7, "fda7s"],[8, "fda8s"],[9, "fda9s"] ]; var lastArray = []; for (let i=0; i<101; i++){ lastArray.push(params.slice().reverse().find(x => x[0]<=i)[1]) }
spread operator
const params = [ [0, "fda0s"],[1, "fda1s"],[2, "fda2s"],[3, "fda3s"],[4, "fda4s"],[5, "fda5s"],[6, "fda6s"],[7, "fda7s"],[8, "fda8s"],[9, "fda9s"] ]; var lastArray = []; for (let i=0; i<101; i++){ lastArray.push([...params].reverse().find(x => x[0]<=i)[1]) }