number and text to number js code example

Example 1: string to int javascript

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

Example 2: javascript convert a number in string

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

Example 3: string to int javascript

var text = '3.14someRandomStuff';
var pointNum = parseFloat(text);
// returns 3.14