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Week 4 - Movie Data 1

Movie Data

The Movie Data project is the most challenging one you’ll face!

We’re spending two weeks looking at it

We want you to know, it’s okay if you’re finding it difficult



  • Store the object below in a JavaScript file in your codebase
  • Render the data onto the webpage with DOM Manipulation
  • Allow the user to affect the display of the data by interacting with the webpage
  • Allow the user to update the data stored in the object by interacting with the webpage
let movieData = {
"The Darjeeling Limited": {
plot: "A year after their father's funeral, three brothers travel across India by train in an attempt to bond with each other.",
cast: ["Jason Schwartzman", "Owen Wilson", "Adrien Brody"],
runtime: 151,
rating: 7.2,
year: 2007,

Data types


Arrays can be used to store multiple pieces of information in one variable

We use square brackets to define an array when we declare it

let myArray = [1, 2, 3, 4];

We access values by using indexes

In other words, where in the array we’re looking for the information

let myArray = [1, 2, 3, 4];
const myNum = myArray[0];
// logs 1


Objects allow us to store multiple pieces of information by using keys and values

We use curly brackets to define an object

let myObject = {
name: "Fido",
type: "dog",
age: 4,

We reference keys to get values using square brackets or dot notation

let myObject = {
name: "Fido",
type: "dog",
age: 4,



Properties can be:

  1. Another name for object keys
  2. In-built information about data structures in JavaScript

An example of an in-built property is length


let myArray = [1, 2, 3, 4];
let arrLength = myArray.length;
// what's the length here?


Methods are like functions, but are pre-defined in JavaScript

It’s likely you’ve used some methods already!


W3 Schools and MDN have great resources on different JavaScript methods

Conditional statements

Conditional statements let us define what should happen, if a condition is true

if (num > 6) {

Coding time!