Big O practice check

const arrayOfStrings = ['nemo', 'dory', 'sam', 'lewt'];

function findNemo(array) {
    let t0 = performance.now();
    for(let i=0; i < array.length ; i++) {
        if (array[i] === 'nemo')
        console.log('Found NEMO');
    }
    let t1 = performance.now();
    console.log("Time taken to find nemo " + (t1-t0) + 'milliseconds');
}

findNemo(arrayOfStrings);