create object in javascript with methods code example

Example 1: creating an object javascript

let obj = {
// fields
  name:"value",
  num: 123,
//methods
  foo: function(){}
  
}

Example 2: object methods in javascript

/// OBJECTS IN JAVASCRIPT
const testScore = {
  damon: 89,
  shawn: 91,
  keenan: 80,
  kim: 89,
};

Object.keys(testScore);  // gives all keys
Object.values(testScore); // gives all values
Object.entries(testScore); // gives nested arrays of key-value pairs

// YOU CAN USE ( FOR-IN )  LOOP FOR ITERATION OVER OBJECTS
for (let person in testScore) {...} 

// WE CAN'T DIRECTLY USE ( FOR-OF ) LOOP IN OBJECTS BUT WE CAN DO Like THIS:
for(let score of Object.values(testScore)){
  	console.log(score)  // 89 91 80 89 
}

Example 3: 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 4: js create new object

let bike = {   name: 'SuperSport',    maker:'Ducati',    start: function() {       console.log('Starting the engine...');   }};bike.start();   //Output: Starting the engine.../* Adding method stop() later to the object */bike.stop = function() {    console.log('Applying Brake...');  }bike.stop();    //Output: Applying Brake...

Example 5: how to create an object in javascript

const person = {
  name: 'Anthony',
  age: 32,
  city: 'Los Angeles',
  occupation: 'Software Developer',
  skills: ['React','JavaScript','HTML','CSS']
};

//Use Template Literal to also log a message to the console
const message = `Hi, I'm ${person.name}. I live in ${person.city}.`;
console.log(message);