JSFiddle - React, Tailwind, and code Playground

JavaScript

Array.prototype.push = function(item) {
    this[this.length] = '<<' + item + '>>';
    return this;
};

var arr = new Array();

arr.push('my');
console.debug(arr);
console.debug(arr[0]);

arr.push('name');
console.debug(arr);
console.debug(arr[1]);

arr.push('is');
console.debug(arr);
console.debug(arr[2]);