Cadena en minúscula de JavaScript
var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"
Grepper
var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"var str = "Hello World!";
var res = str.toLowerCase();const sentence = 'The quick brown fox jumps over the lazy dog.';
console.log(sentence.toLowerCase());
// expected output: "the quick brown fox jumps over the lazy dog."
let string = `Your Text Here`.toLowerCase(); //returns "your text here"