how to select the element using the query selector using javascript code example

Example 1: js queryselector

const content = document.querySelector('.content');

const towns = ['Helsinki', 'Espoo', 'Vantaa'];

towns.forEach(city => {
    content.innerHTML += `<p>${city}</p>`;
});

Example 2: js queryselector

const para = document.querySelectorAll('p');