N
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
N
var str = "Hello World!";
var res = str.toUpperCase();
N
const name = 'flavio'
const nameCapitalized = name.charAt(0).toUpperCase() + name.slice(1)
N
"foo bar!".toUpperCase();
N
let dna = " TCG-TAC-gaC-TAC-CGT-CAG-ACT-TAa-CcA-GTC-cAt-AGA-GCT ";
dna = dna.trim().toUpperCase();
console.log(dna);