JSFiddle - React, Tailwind, and code Playground

by igalst

JavaScript

function doIt(a, b) {
    a.property += 4;
    b += " Steklov"; // b = b + "Steklov"
}

var object = { property: 13 };
var string = "Igal";

doIt(object, string);

console.log(object, string);