Forked from sandrabosk/solution-array-method-map.js
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// *************************************************************** | |
// 1: Capitalize each element of the array - the whole word: | |
// *************************************************************** | |
const fruits = ['pineapple', 'orange', 'mango']; | |
const capsFruits = fruits.map(oneFruit => { | |
return oneFruit.toUpperCase(); | |
}); | |
// we can write it in one line: | |
// const capsFruits = fruits.map(oneFruit => oneFruit.toUpperCase()) | |
// | |
console.log(`fruits: ${fruits}`); // fruits: pineapple,orange,mango | |
console.log(`capsFruits: ${capsFruits}`); // capsFruits: PINEAPPLE,ORANGE,MANGO | |
// *************************************************************** | |
// 2: Capitalize the first letter of every city. <br> | |
// _Bonus_: if the city has 2 or more words in the name, capitalize the first letter of each word. | |
// *************************************************************** | |
const cities = [ | |
'miami', | |
'barcelona', | |
'madrid', | |
'amsterdam', | |
'berlin', | |
'sao paulo', | |
'lisbon', | |
'mexico city', | |
'paris' | |
]; | |
const capsCities = cities.map(city => { | |
if (city.includes(' ')) { | |
let splittedArr = city.split(' '); | |
const newArr = splittedArr.map(elem => elem.charAt(0).toUpperCase() + elem.slice(1)); | |
return newArr.join(' '); | |
} | |
return city[0].toUpperCase() + city.slice(1); | |
}); | |
console.log(capsCities); | |
// [ 'Miami', | |
// 'Barcelona', | |
// 'Madrid', | |
// 'Amsterdam', | |
// 'Berlin', | |
// 'Sao Paulo', | |
// 'Lisbon', | |
// 'Mexico City', | |
// 'Paris' ] |
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