the following code converts the string "24" to the number 24. "Number" is a converting tool that converst a string representing an integer or floating-poit number
var integerString = "24";
var num = Number(integerString);
the following code converts the string "24.9876" to the number 24.9876.
var floatingNumString = "24.9876";
var num = Number(floatingNumString);