“Как использовать.” Ответ

Как использовать.

.toLowerCase is a command you can you to make pieces of string 
into lowercase when printed with console.log
Ex. 
// This is the variable we will be using
let Greeting = 'Hi!';
//Then, we reassign the variable to use the command
Greeting = .toLowercCase
// Print = hi!

Happy Codings!