JavaScript Tutorial Quiz

An object that holds functions

A method to create global variables

A way to define a variable

A function that retains access to its lexical scope

JSON.stringify()

JSON.parse()

JSON.convert()

JSON.toString()

The method for creating global variables

The process of moving variables to the top of their scope

A technique for optimizing performance

The way JavaScript handles asynchronous calls

Django

React

Flask

Ruby on Rails

To refer to the object that is executing the current function

To create new objects

To refer to the global scope

To refer to the parent object

Removing events from elements

Assigning events to a parent element to manage child events

Creating events dynamically

Assigning events to multiple elements individually

string

number

null

undefined

Executing multiple promises in parallel

Handling multiple errors in promises

Creating a promise from a callback

Linking multiple .then() calls sequentially