how to define an object in javascript code example

Example 1: javascript object

var	person = {
	first_name : "Marty",
  	last_name : "Mcfly",
	born : 1968,
	died : 1933,
    lovers: ["Jennifer Parker","Baines McFly"]
};

Example 2: object object javascript

person = {
    'name':'john smith'
    'age':41
};

console.log(person);
//this will return [object Object]
//use
console.log(JSON.stringify(person));
//instead

Example 3: objects in javascript

let object = {
  'key1': 'value1',
  'key2': 'value2',
  'keyn': 'valuen',
};
console.log(object);

Example 4: objects in javascript

let car = {
  engineNumber: 1234
  brand: 'BMW',
  break: function (){}
}

Example 5: how to create object js

function person(fname, lname, age, eyecolor){
  this.firstname = fname;
  this.lastname = lname;
  this.age = age;
  this.eyecolor = eyecolor;
}

myFather = new person("John", "Doe", 50, "blue");
document.write(myFather.firstname + " is " + myFather.age + " years old.");

Example 6: object literal javascript

// Object literals are defined using the following syntax rules:
// A colon separates property name from value.
// A comma separates each name-value pair from the next.
// There should be no comma after the last name-value pair.

// If any of the syntax rules are broken, such as a missing comma or colon or curly brace,
// an error will be thrown.

var myObject = {
    sProp: 'some string value',
    numProp: 2,
    bProp: false
};