What is a key characteristic of a hash table?

How do you access the value of a key in a JavaScript object?

A). object(key)

B). object.key

C). object[key]

D). Both b and c

How do you parse a JSON string in JavaScript?

A). JSON.convert()

B). JSON.toObject()

C). JSON.parse()

D). JSON.stringify()

Which method removes the last element from an array in JavaScript?

A). remove()

B). pop()

C). delete()

D). slice()

Which of the following is a feature of complex data types?

A). They can hold multiple values

B). They can be manipulated as a single entity

C). They can be composed of different data types

D). All of the above

What is an object in programming?

A). A data structure with a fixed sequence of elements

B). A primitive data type

C). A data structure that stores key-value pairs

D). A single numerical value

What is the purpose of a JSON object?

A). To store a single value

B). To define a variable

C). To represent data as a string

D). To store data in a structured, key-value pair format

Which method converts a JavaScript object into a JSON string?

A). JSON.convert()

B). JSON.toString()

C). JSON.stringify()

D). JSON.parse()

What does SQL stand for?

A). Structured Query Language

B). System Query Language

C). Structured Question Language

D). System Question Language

Which of the following is a common example of a complex data type?

A). String

B). Integer

C). Array

D). Boolean

Which function is used to add an element to the end of an array in JavaScript?

A). push()

B). append()

C). insert()

D). add()