Answers for "chage a string '123' to a number in js"

how to change a string to number in javascript

let theInt = parseInt("5.90123"); //5
let theFloat = parseFloat("5.90123"); //5.90123

JS convert a string into a number

const three = "3";
typeof(three);
// 'string'

const threeInt = parseInt(three, 10);
typeof(threeInt);
// 'number'