What is the result of _.map([1, 2, 3], function(num) { return num * 3; })?

Which function is used to find unique elements in an array in Underscore.js?

A). _.first

B). _.last

C). _.uniq

D). _.filter

Which function is used to clone an object in Underscore.js?

A). _.extend

B). _.clone

C). _.map

D). _.filter

How do you generate a random number within a range in Underscore.js?

A). _.random

B). _.range

C). _.shuffle

D). _.sample

Which function retrieves the minimum value in a list using Underscore.js?

A). _.min

B). _.max

C). _.reduce

D). _.filter

How do you flatten a nested array using Underscore.js?

A). _.map

B). _.flatten

C). _.filter

D). _.reduce

What is the output of _.last([1, 2, 3, 4, 5], 2)?

A). [1, 2]

B). [4, 5]

C). [5]

D). [3, 4, 5]

What does _.identity(value) return?

A). null

B). undefined

C). The same value

D). A new value

What is the result of _.reduce([1, 2, 3], function(sum, num) { return sum + num; }, 0)?

A). 6

B). 5

C). 3

D). 2

How do you check if a value is an array in Underscore.js?

A). _.isObject

B). _.isArray

C). _.isArguments

D). _.isString

How can you invoke a function a specified number of times in Underscore.js?

A). _.times

B). _.invoke

C). _.repeat

D). _.cycle