str to number javascript code example

Example 1: Javascript string to int

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

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 a number in string

const num = 123; //> type number 123
const str = num.toString(); //> type string "123"

Example 4: javascript to number

parseInt("1")