const nemoArray = ["nemo"]; function findingNemo(array) { let t0 = performance.now(); for (let i = 0; i < array.length; i++) { if (array[i] === "nemo") { console.log("Found nemo"); } else { console.log("didn't find my nemo"); } } let t1 = performance.now(); console.log('Call to find nemo took ' + (t1 - t0) + ' milliseconds'); } findingNemo(nemoArray);