number from string js 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: Javascript string to int

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

Example 3: js get number from string

thenum = "foo3bar5".match(/\d+/)[0] // "3"

Example 4: string to int javascript

var text = '42px';
var integer = parseInt(text, 10);
// returns 42