JSFiddle - React, Tailwind, and code Playground
JavaScript
var o = {
length: 0,
push: Array.prototype.push,
pop: Array.prototype.pop
};
o.push(1);
console.log(JSON.stringify(o));
o.push(2);
console.log(JSON.stringify(o));
console.log(o.pop());
console.log(JSON.stringify(o));
console.log(o.pop());
console.log(JSON.stringify(o));