JAVASCRIPT

uppercase string in js

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

uppercase and lowercase letters in js

str.toLowerCase()
str.toUpperCase()

uppercase javascript

let str = "Hello World!";
let res = str.toUpperCase();  
console.log(res) //HELLO WORLD!

to uppercase js

const string = "A string";

const upperCase = string.toUpperCase();
console.log(upperCase); // -> A STRING

const lowerCase = string.toLowerCase();
console.log(lowerCase); // -> a string

string to capitalize javascript

const str = 'flexiple';
const str2 = str.charAt(0).toUpperCase() + str.slice(1);
console.log(str2);

//Output: Flexiple

const str = 'abc efg';
const str2 = str.charAt(0).toUpperCase() + str.slice(1);
console.log(str2);

//Output: Abc efg

uppercase javascript using function

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

javascript function uppercase to lowercase

let myGreeting = 'Hey there!';

console.log(myGreeting.toLowerCase());

//output
//hey there!

how to convert string to uppercase in javascript

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

javascript uppercase function

const str = "This is a very long string!";

// This will return => "THIS IS A VERY LONG STRING!"
console.log(str.toUpperCase());