map-deep-dive.ts

const familyNames = ["Jordan", "Tiffany", "Kristine"];

// let capitalizedNames: string[] = [];

// for (var i = 0; i < familyNames.length; i++) {
//     capitalizedNames.push(familyNames[i].toUpperCase())
// }

// console.log(capitalizedNames)

const capitalizedNames = familyNames.map((name: string) => (name.toUpperCase()))

const capitalizedNames2 = familyNames.map((name: string) => {
    if (name === "Tiffany") {
        return name.toUpperCase()
    } else {
        return name.toLowerCase()
    }
})

console.log(capitalizedNames2)