javascript convert striing to number code example

Example 1: how to convert string to int js

let string = "1";
let num = parseInt(string);
//num will equal 1 as a int

Example 2: converst strig in number in js

const numberInString = "20"; 
console.log(typeof(numberInString)) // typeof is string this is string in double quote " "
const numInNum = parseInt(numberInString) // now numberInStrings variable converted in an Integer due to parseInt
console.log(typeof(numInNum)) // this tell us the type of numInNum which is now a number