capitalize certain string in array javascript code example

Example 1: javascript capitalize array

const names = ['Ali', 'Atta', 'Alex', 'John'];

const uppercased = names.map(name => name.toUpperCase());

console.log(uppercased);

// ['ALI', 'ATTA', 'ALEX', 'JOHN']

Example 2: capitalize first letter in array of strings javascript

for(var i = 1 ; i < newArr.length ; i++){
            newArr[i].charAt(0).toUpperCase();