прописное JavaScript
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
Batman
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!
let txt = "Hello World!";
txt = txt.toUpperCase();function changeToUpperCase(founder) {
return founder.toUpperCase();
}
// calling the function
const result = changeToUpperCase("Quincy Larson");
// printing the result to the console
console.log(result);
// Output: QUINCY LARSON