const nemo = ['nemo']; const everyone =['anamika','priyanka','siddharth','nemo','billy','ray']; const arr = new Array(1000).fill('nemo'); function findingNemo(array){ let t0 = performance.now(); for(let i =0;i<array.length;i++){ if(array[i] === 'nemo') { console.log("Found"); } } let t1 = performance.now(); console.log(t1-t0); } findingNemo(arr);