How to convert String to number? And number to String?

Question

need answer

Answer 1

With the parseInt(), parseFloat() functions and toString() method ^^

var t = "42.0";
var f = parseFloat(t);

var i = 42;
var s = i.toString();

Answer 2

Thank you :)

Answer 3

var num1 = "43.76";
num1 = +num1;// 43.76
var num2 = 43.76;
num2 = "" + num2;// "43.76"