JSFiddle - React, Tailwind, and code Playground

JavaScript

alert(0.57 * 10000); // this is supposed to be 5700
alert(10 / 3); // this is supposed to be 3.33333333 (why the 5 at the end)
alert(2.34 / 100); // this is supposed to be 0.0234 (why the 7 at the end)