const people = Array.from(document.querySelectorAll('.people p')); const names = peopleArray.map(person => person.textContent); // --------------------------------------------------------------- const names = Array.from(document.querySelectorAll('.people p'), person => { return person.textContent }); const ages = Array.of(1, 2, 3, 4, 5); // [1, 2, 3, 4, 5] // --------------------------------------------------------------- const code = 'VBgtGQcSf'; const post = posts.find(post => post.code === code); const postIndex = posts.findIndex(post => post.code === code); console.log(postIndex); // --------------------------------------------------------------- const ages = [32, 15, 19, 12]; // 👵👨 is there at least one adult in the group? const adultPresent = ages.some(age => age >= 18); console.log(adultPresent); // true // 🍻 is everyone old enough to drink? const allOldEnough = ages.every(age => age >= 19); console.log(allOldEnough); // false