Convert the string to create an integer or real value

var firstVal = "5";
var secondVal = "5";
var result = Number(firstVal) + Number(secondVal);
console.log("Result: " + result);
//w w w  .  j av a 2  s  . co m
var num = Number("+1.1")
console.log(num);

num = Number("-1.1")
console.log(num);

num = Number("+123")
console.log(num);

num = Number("asdf")
console.log(num);

num = Number("0123")
console.log(num);

num = Number("0xf")
console.log(num);

num = Number("-0xf")
console.log(num);

num = Number("01.1")
console.log(num);

num = Number(null)
console.log(num);

num = Number(false)
console.log(num);

num = Number("")
console.log(num);

num = Number(undefined)
console.log(num);