method that turn a string to a number javascript code example

Example 1: convert string to number javascript

var myString = "869.99"
var myFloat = parseFloat(myString)
var myInt = parseInt(myString)

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