What is a key characteristic of a hash table?

Which method converts a JavaScript object into a JSON string?

A). JSON.convert()

B). JSON.toString()

C). JSON.stringify()

D). JSON.parse()

In JavaScript, how do you define an array?

A). let arr = 'value1, value2'

B). let arr = [value1, value2]

C). let arr = {value1, value2}

D). let arr = (value1, value2)

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

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

A). String

B). Integer

C). Array

D). Boolean

How do you parse a JSON string in JavaScript?

A). JSON.convert()

B). JSON.toObject()

C). JSON.parse()

D). JSON.stringify()

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

A). push()

B). append()

C). insert()

D). add()

What does SQL stand for?

A). Structured Query Language

B). System Query Language

C). Structured Question Language

D). System Question Language

What is the primary use of a stack data structure?

A). First In, First Out (FIFO)

B). First In, Last Out (FILO)

C). Last In, First Out (LIFO)

D). Last In, Last Out (LILO)

What is a queue data structure used for?

A). First In, First Out (FIFO)

B). Last In, First Out (LIFO)

C). Last In, Last Out (LILO)

D). First In, Last Out (FILO)

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