calculate length of a string in javascript code example

Example 1: js string length

let str = "foo";
console.log(str.length);
// 3

Example 2: string length javascript

/* The length property of a String object contains the length of the
string, in UTF-16 code units. length is a read-only data property of
string instances. */

const str = "Life, the universe and everything. Answer:";
console.log(`${str} ${str.length}`);
// expected output: "Life, the universe and everything. Answer: 42"

Example 3: javascript string length

const s = 'Hello, World!';
console.log(s.length);