Gold batch 2 Quiz 7

1. What does CRUD stand for?

• A. Create, Remove, Update, Deploy

• B. Create, Read, Update, Delete

• C. Copy, Rewrite, Undo, Delete

• D. Compile, Run, Upload, Download

2. Which array method is commonly used to add a new item to a ToDo list?

• A. push()

• B. map()

• C. slice()

3. What does todos.splice(index, 1) do?

• A. Reads one item

• B. Updates one item

• C. Deletes one item

• D. Adds one item

4. Which method is commonly used to update a specific ToDo in an array?

• A. forEach()

• B. splice()

• C. pop()

• D. split()

5. What does todos.filter(todo => todo.id === 3) return?

• A. Index of the todo

• B. A filtered list

• C. A boolean

• D. The todo object with id 3

8. Which method is used to fetch data from an API in JavaScript?

• A. get()

• B. fetch()

• C. callAPI()

• D. receive()

10. Which method converts a fetch response into usable JSON data?

• A. response.toJSON()

• B. response.asJSON()

• C. response.json()

• D. response.JSON()

6. Which of the following is a primitive data type in JavaScript?

• A. Object

• B. Array

• C. Number

• D. Function

7. What is the output of Boolean([])?

• A. false

• B. true

• undefined

• D. null

8. What does the addEventListener() method do?

• A. Adds a new JavaScript file

• B. Creates a new DOM node

• C. Attaches an event handler to an element

• D. Stops event propagation