javascript coding quesitons

 reverse a astring 

check if a  stgrign is a apalindrome

find th elongset word in a string

find the factorial of a a number 

check if  a number is prime

remove dupliocate characters from  a string

find the largest element in  an array

flatten a nessted array

capitalize the first letter of each word in a astring 

create a function to generate a  random number between a given range

find the maximum number in  an array without using math..max()

implement a a code to remove duplicates from an array while preserving gth eoriginal order

write a function to merge two sorted arryas into a single sorted array

writae a function to caliculate the median of an array of  numbers 

implement a function to perform a deep comparision between two objects

write a code to find the intersection of mulitple arrays

write a function to format a date object into custom date format strng 

writ a function to format a date object into a custom date format string 

create a function to validate email address using regular expressions

write   code to replicate the array.filter() method

wriete a function to debounce user input events using closure

impleeten a function to replicate the array.prototype.map() method

writ e a function to clone a regular expression object in javascript 

implement a fuinction to clone a promise obeject preserving its state and value

imp,enment a  code to validate ana santize user input for form fields on  aweb page

write  code to implenmtn memoization ofr a recursive function to optimize performatnce

write a function to detact and remove duplicate values from an array without using additinal data structures

write a code to rpelicate the arrya.reduce method

implement a function to srort an array of objects based on  as spefified property value

crate a function to check if a given string is a valid json

implement a funciton to perform a deep merge of two objects

implenment a funciton to fglattenan array of oarbraly nester arrays using iteration 

implement a custom promise lbrar with support for chaoining and error handling

wirte code to perform functional composition allowing chainign of pure functions

implenmet dynamic code splitting and lazy loading of javacsript modules

imp,ement a function ot create a custom event emtter with support ofr asynchromous event listeners

imp,ement your own version f promise.all

write a throllte function which limites the rate at which a function can be called

build a real time data visualization app sing libraries like d3.js or chart.js

implement a real time chat application using web sockets

wrote code to perform frp transoformations on streams of data 

write code that demonstrates opmtimzing performance by minimizing dom manipulation 

write a function to arse markdown-formatted text o into html

optmizie given code and its perforamtnce without chaning its functionality