Yes! Javascript is a Case Sensitive Language.
Read More: https://www.w3schools.com/js/js_syntax.asp
const a = 'a';
const b = 'A'
console.log(a === b); // false
// using the + operator
const message1 = 'This is a long message ' +
'that spans across multiple lines' +
'in the code.'
// using the operator
const message2 = 'This is a long message
that spans across multiple lines
in the code.'