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Polyfill: bind( )
Polyfill: call( )
mul(a)(b)(c)
sum(a)(b)(c).....(n)
Debounce
Deep Equality
Event Emitter
Flatten Array
Polyfill: map( )
Shallow Equality
sleep( )
Throttle
useCountdown
City Fetcher API
promise.all( )
promise.allSettled( )
promise.any( )
promise.race( )
HEX to RGB
Implement jQuery css()
Number to Words
Once
Roll Call
Sequential Async
Snake to Camel
composeAsync
Min Max Stack
Deep Remove Falsy
Fizz Buzz
Get Number Frequency
Mean
Pokemon Rating Display
promise.reject()
Reverse Words in a String
Toggle
Polyfill: apply()
Pro
asyncMap
Pro
Classnames II
Pro
classnames
Pro
Polyfill: concat( )
Pro
multiAdd(1,2)(3)(4,5,6)()
Pro
Custom Promise
Pro
Custom useMemo Hook
Pro
Debounce II
Pro
Deep Clone II
Pro
Deep Copy
Pro
Polyfill: filter( )
Pro
Polyfill: forEach( )
Pro
getElementsByStyle
Pro
getElementsByTagName
Pro
Identical DOM Trees
Pro
inRange
Pro
Implement lodash.get()
Pro
LRU Cache
Pro
mapAsyncLimit
Pro
Memoize
Pro
Min Height of DOM Tree
Pro
Object Map
Pro
pipe
Pro
Promise Timeout
Pro
Pub Sub
Pro
Polyfill: reduce( )
Pro
Shallow Merge
Pro
square( )
Pro
Traverse DOM Tree
Pro
Tricky Closure
Pro
Unique Elements
Pro
useDebounce
Pro
useEventListener
Pro
useInterval
Pro
useKeyPress
Pro
useMediaQuery
Pro
useThrottle
Pro
useTimeout
Pro
useWindowSize
Pro
Animate Elements in Sequence
Pro
Argument Rotator
Pro
Browser History
Pro
Cached Fetch
Pro
Check if Called with new
Pro
Class Hierarchy
Pro
Closures and Prototypes
Pro
Compact II
Pro
Count by Condition
Pro
Create Store
Pro
CSS Selector Generator
Pro
Curry II
Pro
Custom instanceof
Pro
Debounce with Immediate Flag
Pro
Decode String
Pro
Deep Flatten Object
Pro
Deep Merge
Pro
Deploy Pipeline Builder
Pro
ES5 Extends
Pro
Event Emitter II
Pro
Fetch Interceptors
Pro
Fuzzy Search
Pro
getElementsByTagName Hierarchy
Pro
Get Last Task
Pro
Get Type
Pro
groupBy
Pro
HTML Encode
Pro
HTML to JSON
Pro
Implement new
Pro
In-Memory Search Engine
Pro
Integers Greater Than
Pro
isNumbersOnly
Pro
Implement JSON.parse()
Pro
Implement JSON.stringify()
Pro
JSON to HTML
Pro
Limit Concurrency
Pro
Implement lodash.set()
Pro
Lucky Sevens
Pro
Memoize II
Pro
Middlewares
Pro
Nested Filtering
Pro
Paginated Data Ranking
Pro
Priority Queue
Pro
promise.finally( )
Pro
Promise Output
Pro
Execute Promises with Priority
Pro
Promise.resolve()
Pro
promisify
Pro
RGB to HEX
Pro
Scripts Execution
Pro
Implement setInterval using setTimeout
Pro
Set
Pro
Singleton Pattern
Pro
String to Object
Pro
Text Search II
Pro
Text Search
Pro
this challenge
Pro
Throttle Array
Pro
Throttle Event Handler
Pro
Trie
Pro
Undo Redo
Pro
What gets logged 2?
Pro
What gets logged?
Pro
Analyze Song Data
Pro
async filter
Pro
async reject
Pro
Cancellable Interval
Pro
Cancellable Timeout
Pro
Capturing in IIFEs
Pro
Chop into Chunks
Pro
clearAllIntervals
Pro
clearAllTimeouts
Pro
Click by Domains
Pro
Clock Angle
Pro
Code Review, Debug and Fix
Pro
Commutative Memoization
Pro
Contiguous History
Pro
Controllable Counter
Pro
Data Binding
Pro
Find Security Issue
Pro
Flexible Curry Function
Pro
getElementsByClassName
Pro
groupBy II
Pro
Immutability Challenge
Pro
JSON.stringify() II
Pro
Label Collision Detection
Pro
Load CSS Dynamically
Pro
Local Storage Expiry
Pro
Chaining: Calculator
Pro
Move Array Element
Pro
Parallel Async
Pro
Promisify II
Pro
Retry Promise N Times
Pro
Spreadsheet Engine
Pro
Tree Select
Pro
useIsMounted
Pro
useToggle
Pro
Calendar Manager
Pro
Camel Case Keys
Pro
Cancel Request
Pro
Chainable Add
Pro
composeAsync II
Pro
compose
Pro
Conforms To
Pro
Counter Advanced
Pro
Counter Function
Pro
Custom Assertion Function
Pro
Data Merging
Pro
Debounce Without Timer
Pro
Deep Map
Pro
Deep Omit
Pro
Digital Clock
Pro
findPattern
Pro
Intersection By
Pro
Intersection With
Pro
Measure Execution Time
Pro
Promise.withResolvers()
Pro
Queue
Pro
Right or wrong?
Pro
Stack
Pro
Number + String
Pro
parseNumber
Pro
Tennis Score
Pro
Timer Manager
Pro
Transactions Sum
Pro
Union By
Pro
Caps
Pro
Clamp
Pro
Compact
Pro
Cycle
Pro
Difference
Pro
Digital Root
Pro
Drop Right While
Pro
Drop While
Pro
API: fetch with timeout
Pro
Fill
Pro
Find Index
Pro
Find Last Index
Pro
From Pairs
Pro
Function Length
Pro
Intersection
Pro
Is Empty
Pro
Max By
Pro
Min By
Pro
Number of Arguments
Pro
Range Right
Pro
Range
Pro
Size
Pro
useOnClickOutside
Pro
useCounter
Pro
useHover
Pro
useIdle
Pro
usePrevious
Pro
useScrollPosition
Pro

Code Review, Debug and Fix

Please review this code, find the bug, and fix it.