JSFiddle - React, Tailwind, and code Playground

JavaScript

function Objeto(){
	this.id;
	this.x;
	this.op1;
	this.op2;
}

var MiObjeto= new Array(50);

for (i = 0; i < 50; i++) {
	MiObjeto[i] = new Objeto();
  MiObjeto[i].id = i;
  document.write(MiObjeto[i].id);
}