How to make from string number in node.js?

Question

JavaScript

Hello. How to convert string to number? For some reason the Number(...) function doesn't work. Well, for example, there is a string "222". I need to get this number 222 and write it to a variable.
Well, it doesn't work. Gives out NaN

Answer 1

parseFloat("222") // 222
parseFloat("222.2") // 222.2

//есть parseInt, но 
parseInt("222") //222 
parseInt("222.2") //222

Answer 2

exotic variant

var n = +'222';
console.log(typeof n); // number