JSFiddle - React, Tailwind, and code Playground

JavaScript

class Pair
{
	constructor(name, index)
    {
		this.name = name; 
        this.index = index;
    }
}

var exArr = [new Pair('exampleOne', 1)];
console.log( "Example name = " + exArr[0].name + " and the number =" + exArr[0].index);