JSFiddle - React, Tailwind, and code Playground

JavaScript

var a=0.1, b=0.2, c=0.3;
var op1 = (a+b)+c;
var op2 = (b+c)+a;

alert(op1);
alert(op2);

a = 10 * a;
b = 10 * b;
c = 10 * c;

op1 = (a+b)+c;
op2 = (b+c)+a;

op1 = op1 / 10;
op2 = op2 / 10;

alert(op1);
alert(op2);