JavaScript Exercises

Write a JavaScript program to display Hello World

Write a JavaScript program to add two numbers

Write a JavaScript program to swap two variables

Write a JavaScript program to check even or odd number

Write a JavaScript program to find the largest of three numbers

Write a JavaScript program to check leap year

Write a JavaScript program to print the multiplication table of a number

Write a JavaScript program to find the factorial of a number

Write a JavaScript program to print the Fibonacci series

Write a JavaScript program to check prime number

Write a JavaScript program to reverse a string

Write a JavaScript program to check palindrome string

Write a JavaScript program to count vowels in a string

Write a JavaScript program to find the sum and average of array elements

Write a JavaScript program to find the largest and smallest number in an array

Write a JavaScript program to remove duplicates from an array

Write a JavaScript program to filter even numbers and double them

Write a JavaScript program to count the frequency of words in a sentence

Write a JavaScript program to change the text of a paragraph on button click

Write a JavaScript program to switch dark mode on and off