JS turn a string to a number code example

Example 1: how to convert string to int js

let string = "1";
let num = parseInt(string);
//num will equal 1 as a int

Example 2: string to int javascript

var text = '42px';
var integer = parseInt(text, 10);
// returns 42
let myNumber = Number("5.25"); //5.25

Example 3: javascript convert string to number

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

Example 4: string to number javascript

let str = "390";
let num = +str;
console.log(num); // will give us int 390