How do you debounce a function in Underscore.js to limit the rate at which it can fire?
A). _.throttle
B). _.debounce
C). _.delay
D). _.once
What does the _.each function do in Underscore.js?
A). Iterates over a list of elements
B). Creates a new array with transformed values
C). Filters values in a list
D). Reduces the list to a single value
How can you invoke a function a specified number of times in Underscore.js?
A). _.times
B). _.invoke
C). _.repeat
D). _.cycle
Which function retrieves the minimum value in a list using Underscore.js?
A). _.min
B). _.max
C). _.reduce
D). _.filter
How do you check if a value is an array in Underscore.js?
A). _.isObject
B). _.isArray
C). _.isArguments
D). _.isString
Which function can be used to delay the execution of a function in Underscore.js?
A). _.defer
B). _.delay
C). _.debounce
D). _.throttle
What does the _.filter function do in Underscore.js?
A). Iterates over a list of elements
B). Creates a new array with transformed values
C). Filters values in a list
D). Reduces the list to a single 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
What is the result of _.map([1, 2, 3], function(num) { return num * 3; })?
A). [1, 2, 3]
B). [3, 6, 9]
C). [2, 4, 6]
D). [3, 6, 9, 12]
What does _.identity(value) return?
A). null
B). undefined
C). The same value
D). A new value