const three = "3";

typeof(three);

// 'string'

​

const threeInt = parseInt(three, 10);

typeof(threeInt);

// 'number'

​

var myInt = parseInt("10.256"); //10

var myFloat = parseFloat("10.256"); //10.256

let num = Number("123"); // 123

let num = Number("123.45"); // 123.45

let num = Number("blah"); // NaN (not a number)

var myString = "869.99"

var myFloat = parseFloat(myString)

var myInt = parseInt(myString)

let myNumber = Number("5.25"); //5.25

// Converting a String into a Number in Javascript

// Longhand:

const num1 = parseInt("100");

const num2 =  parseFloat("100.01");

console.log(num1);

console.log(num2);

​

// Shorthand:

const num3 = +"100"; // converts to int data type

const num4 =  +"100.01"; // converts to float data type

console.log(num3);

console.log(num4);

var num = Number("46.12"); //46.12

// String to Int

myStringInt = "10";

console.log(parseInt(myStringInt));  // expected result: 10

​

// String to Float

myStringFloat = "8.33";

console.log(parseFloat(myStringFloat));  // expected result: 8.33

​

// String to any numeric type

console.log(Number(myStringInt));  // expected result: 10

console.log(Number(myStringFloat));  // expected result: 8.33

​

var x = Number("1000")

const stringNumber = "123"; // Example string number

const number = Number(stringNumber);

console.log(number); // Output: 123

console.log(typeof number); // Output: number

const input = "42";

const number = Number.parseInt(input, 10);

​