JAVASCRIPT

uppercase string in js

var str = "Hello World!";
var res = str.toUpperCase();  //HELLO WORLD!

How to Use the toUpperCase() String Method in javascript

const string = "HeLLo woRld"

const uppercased = string.toUpperCase()

console.log(string)
// HeLLo woRld

console.log(uppercased)
// HELLO WORLD

uppercase in javascript

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

JS .toUpperCase

.toUpperCase()

// Like this:
alert("In upper case: " + "my string".toUpperCase()); // In upper case: MY STRING

how to convert string to uppercase in javascript

const upperCase = (string) => {
  const newText = string.toUpperCase();
  return newText;
};

string toUpper

string a = "String";
string b = a.Replace("i", "o"); // Strong
       b = a.Insert(0, "My ");  // My String
       b = a.Remove(0, 3);      // ing
       b = a.Substring(0, 3);   // Str
       b = a.ToUpper();         // STRING
int    i = a.Length;            // 6

The toUpperCase JavaScript string method

//toUpperCase is a string method that returns the uppercased version of a specified string.
// We will use this to capitalize the first letter:

const firstLetter = "f"

const firstLetterCap = firstLetter.toUpperCase()
// F