JSFiddle - React, Tailwind, and code Playground

JavaScript

var users = [];

users.push({
	user: 1,
  name: 'User1'
});

users.push({
	user: 2,
  name: 'User2'
});

var interval = setInterval(function(){
	console.log(users);
}, 1000);

setTimeout(function(){
	users.splice(findUser(2), 1);
}, 5000);

function findUser(id){
	for(var i=0; i < users.length; i++){
		if(users[i].user === id){
			return users[i];
		}
	}
}