js-all-you-need-to-know YouTube How to contribute here? JavaScript Problem Lists How to return a value from a function? Return the Sum of Two Numbers Return the Next Number from the Integer Passed Find the Perimeter of a Rectangle Is the Number Less than or Equal to Zero? Less Than 100? Are the Numbers Equal? Convert Hours and Minutes into Seconds Find the Amount of Potatoes Count Instances of a Character in a String Recursion to Repeat a String n Number of Times Return Something to Me! Return the Remainder from Two Numbers Convert Age to Days Power Calculator Return a String as an Integer Convert Hours into Seconds Area of a Triangle Area of a Rectangle Maximum Edge of a Triangle Convert Year to Century Summing the Squares Date Format A Long Long Time Get the Date Days in a Month Hours Passed Number of Leap Years Convert Number to Corresponding Month Name Leap Years Equality Check Recreating the String.length Property Concatenate First and Last Name into One String Boolean to String Conversion Is the String Empty? Compare Strings by Count of Characters Reverse Words in a String Finding Nemo Join Two Portions of a Path How Many Vowels? Get the Area of a Country Two Makes Ten Emotify the Sentence Using Ternary Operators Football Points Repeating Letters True Ones, False Zeros Incorrect Import Statement Find the Bomb Remove Every Vowel from a String Return the Index of the First Vowel Is it True? Regex Series: Even Number? Say "Hello" Say "Bye" Capitalize by ASCII Hashes and Pluses Valid Zip Code Check If It's a Title String How Many Decimal Places? Index Shuffle Hiding the Card Number Remove Trailing and Leading Zeros ReverseAndNot Multiplying Numbers in a String Xs and Os, Nobody Knows Capitalize the First Letter of Each Word Reverse Words Starting With a Particular Letter Maskify the String Find the Characters Counterpart Char Code Return the Middle Character(s) of a String Is the Word an Isogram? Emphasis the Words Format Number with Comma(s) Separating Thousands Double Letters Remove the Letters ABC. Numbers in Strings. Reverse the Odd Length Words. Secret Society Reverse the Odd Length Words Multiplication table for number Count Odd Numbers below n. Count the divisors of a number Find Multiples of a Number Multiply the number For Twins: 1. Types Check same case Return the First Element in an Array Remove Duplicates from an Array Return Types What's Hiding Amongst the Crowd? Frames Per Second Buggy Code (Part 2) Reverse the Case Convert to Decimal Notation Transforming Words into Binary Strings Spelling it Out Most Left Digit Regex Series: 5-Digit Zip Code Prefixes vs. Suffixes Detect Browser from User Agent Which Generation Are You? Move Capital Letters to the Front The DECIMATOR Hitting the Jackpot Match the Last Item Basic Variable Assignment Our Contributors Nazmul Hossain Sheik Mostafizur Md.Rizwan Uddin