check the length of string js 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"