N
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
N
const String = "Node Express";
const Upper = String.toUpperCase();
N
var string = "To Upper Case";
console.log(string.toUpperCase()); // TO UPPER CASE
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);