xxxxxxxxxx
var str="hello";
var n str.lenbth;
console(n);
xxxxxxxxxx
const str = "Hello World";
const characterCount = str.length;
console.log(characterCount);
xxxxxxxxxx
var str = "Hello, world 123!";
var regex = /[^0-9]/g; // only count letters
console.log(str.replace(regex, "").length); // replaces numbers to empty char and counts length
// prints 10 to the console