how to initialize an array in javascript

// Initializing while declaring 
// Creates an array having elements 10, 20, 30, 40, 50 
var house = new Array(10, 20, 30, 40, 50); 
  
//Creates an array of 5 undefined elements 
var house1 = new Array(5); 
  
//Creates an array with element 1BHK 
var home = new Array("!BHK"); 

var events = [
  {
    userId: 1,
    place: "Wormholes Allow Information to Escape Black Holes",
    name: "Check out this recent discovery about workholes",
    date: "2020-06-26T17:58:57.776Z",
    id: 1
  },
  {
    userId: 1,
    place: "Wormholes Allow Information to Escape Black Holes",
    name: "Check out this recent discovery about workholes",
    date: "2020-06-26T17:58:57.776Z",
    id: 2
  },
  {
    userId: 1,
    place: "Wormholes Allow Information to Escape Black Holes",
    name: "Check out this recent discovery about workholes",
    date: "2020-06-26T17:58:57.776Z",
    id: 3
  }
];
console.log(events[0].place);

var array_name = [item1, item2, ...];  

var cars = ["Saab", "Volvo", "BMW"];