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Practices Coding Problems in JavaScript

JavaScript-Arena

Practices Coding Problems in JavaScript

Javascript Notes & Resources

#	Source	PDF	Link
1.	Namaste Javascript	Notes [PDF]	Link
	The Ultimate JavaScript	Notes [PDF]	Link
2.	JS Core Concepts 🔗		Practice1 / Practice2
3.	JS Interview Questions 🔗		Link1 / Link2
4.	Clean Code (Javascript)		Link1 / Link1

Javascript Code Challanges 🔗

Programming Fundamentals ➥

• Basic mathematical operations like swapping two numbers, square root of numbers
• Checking any number’s nature if it is positive, negative, or zero
• Generating a random number
• Checking if a number is odd or even and checking if a number is prime or not
• Finding largest number among three numbers
• Finding factorial of any number
• Finding Armstrong number in any interval
• Finding if numbers have the same last digit
• Checking palindrome
• Everything about any string
• Finding Armstrong numbers between intervals
• Finding factors of numbers
• Printing Fibonacci sequence
• Check the Number of Occurrences of a Character in the String
• Check Whether a String Starts and Ends With Certain Characters
• Check Whether a String Contains a Substring
• Convert the First Letter of a String in to UpperCase
• Count the Number of Vowels in a String using Regex
• make a simple calculator using switch case
• print fibonacci sequence

String ➥

• replace characters of string
• reverse a string using for loop
• sort words in alphabetical order

Array ➥

• Find the minimum and maximum element in an array
• Write a program to reverse the array
• Find a peak element which is not smaller than its neighbors
• Write a program to sort the given array
• Find the Kth largest and Kth smallest number in an array
• Find the occurrence of an integer in the array
• Sort the array of 0s, 1s, and 2s
• Subarray with given Sum
• Move all the negative elements to one side of the array
• Find the Union and Intersection of the two sorted arrays

Polyfill in JS ➥

• Polyfill of Array Method: forEach()
• Polyfill of Array Method: Map()
• Polyfill of Array Method: Reduce()
• Polyfill of Array Method: Filter()
• Polyfill of Array Method: splice()
• Polyfill of call()
• Polyfill of bind()
• Polyfill of apply()