convert to lowercase js code example

Example 1: javascript lowercase string

var str = "My Big Boy!"
var res = str.toLowerCase(); //res is "my big boy!"

Example 2: how to convert whole strig in lowercase in js

var str = "Hello World!";
var res = str.toLowerCase();

Example 3: javascript lowercase string

var str = "ExaMple";
var res = str.toLowerCase();
output res -> "example"

Example 4: js tolowercase use

string.toLowerCase(2)

Example 5: tolowercase js

const sentence = 'The quick brown fox jumps over the lazy dog.';
console.log(sentence.toLowerCase());