JavaScript

parseInt()

Parse String to Integer

isNaN()

Check If NaN

parseFloat()

Parse String to Float

isFinite()

Check If Finite Number

Array

Function

Math

Number

Object

String

Find the Square Root

Convert Date to Number

Calculate the Area of a Triangle

Print Hello World

Convert Celsius to Fahrenheit

Add Two Numbers

Compare Two Strings

Convert Decimal to Binary

Check if the Numbers Have Same Last Digit

Check If a Variable is of Function Type

Add Element to Start of an Array

Compare The Value of Two Dates

Check if An Array Contains a Specified Value

Check Prime Number

Convert Kilometers to Miles

Find the Factorial of a Number

Display the Multiplication Table

Find factorial of number using recursion

Find the largest among three numbers

Generate a random number

Check if a number is odd or even

Check if a variable is undefined or null

Convert objects to strings

Check if a number is positive, negative, or zero

Find armstrong number in an interval

Compare elements of two arrays

Check if a number is float or integer

Check if a key exists in an object

Check if an object is an array

Check whether a string contains a substring

Add key/value pair to an object

Check leap year

Check armstrong number

Find the factors of a number

Append an object to an array

Check whether a string starts and ends with certain characters

Convert the first letter of a string into uppercase

Clone a js object

Find ascii value of character

Find the sum of natural numbers

Check if a string starts with another string

Check the number of occurrences of a character in the string

Check whether a string is palindrome or not

Guess a random number

Find sum of natural numbers using recursion

Sort words in alphabetical order

Shuffle deck of cards

Swap two variables

Print the fibonacci sequence

Find lcm

Find hcf or gcd

Display fibonacci sequence using recursion

Replace characters of a string

Make a simple calculator

Print all prime numbers in an interval

Solve quadratic equation

Reverse a string

Get the current url

Generate random string

Work with constants

Replace all instances of a character in a string

Merge property of two objects

Extract given property values from objects as array

Generate a range of numbers and characters

Loop through an object

Trim a string

Insert item in an array

Encode a string to base64

Create countdown timer

Create multiline strings

Display current date

Generate a random number between two numbers

Get random item from an array

Perform intersection between two arrays

Remove a property from an object

Merge two arrays and remove duplicate items

Get file extension

Sort array of objects by property values

Split array into smaller chunks

Display date and time

Pass parameter to a settimeout() function

Remove all whitespaces from a text

Illustrate different set operations

Create objects in different ways

Format the date

Replace all occurrences of a string

Perform function overloading

Remove specific item from an array

Get the dimensions of an image

Empty an array

Write to console

Include a js file in another js file

Validate an email address

Set a default parameter value for a function

Count the number of keys/properties in an object

Implement a stack

Pass a function as parameter

Create two dimensional array

Implement a queue

Count the number of vowels in a string

Replace all line breaks with br

Format numbers as currency strings

Remove duplicates from array