| Title | Topics | Action | |||
|---|---|---|---|---|---|
| 22 | For Loop: Print 1 to 5Use a for loop to print the numbers 1 through 5, one number per line.
Steps:
1.... | easy | ○ Not Started | Loops | Solve |
| 23 | While Loop: CountdownUse a while loop to count down from 5 to 1, printing one number per line.
Steps... | easy | ○ Not Started | Loops | Solve |
| 24 | Do...While Loop: Print 3 TimesUse a do...while loop to print "Practice makes progress" exactly 3 times.
Steps... | easy | ○ Not Started | Loops | Solve |
| 25 | For Loop: Sum 1 to 10Use a for loop to add the numbers 1 through 10, then print the final sum.
Steps... | easy | ○ Not Started | Loops | Solve |
| 26 | For Loop: Print Array ItemsUse a for loop to print each item in the fruits array on its own line.
Array:
[... | easy | ○ Not Started | LoopsArrays | Solve |
| 27 | While Loop: Sum an ArrayUse a while loop to find the total of all numbers in the array.
Array:
[4, 8, 2... | easy | ○ Not Started | LoopsArrays | Solve |
| 28 | Do...While Loop: Print Even NumbersUse a do...while loop to print the even numbers from 2 to 8.
Steps:
1. Start wi... | easy | ○ Not Started | Loops | Solve |
| 29 | forEach: Print Student NamesUse forEach to print each student name with the prefix "Student: ".
forEach run... | easy | ○ Not Started | LoopsArrays | Solve |
| 30 | forEach: Calculate Total PriceUse forEach to calculate the total of all prices in the array, then print it.
A... | easy | ○ Not Started | LoopsArrays | Solve |
| 31 | map: Double Each NumberUse map to create a new array where each number is doubled, then print the resul... | easy | ○ Not Started | LoopsArrays | Solve |
| 32 | map: Convert Words to UppercaseUse map to convert each word in the array to uppercase, then print them as comma... | easy | ○ Not Started | LoopsArrays | Solve |
| 33 | filter: Keep Even NumbersUse filter to keep only the even numbers from the array, then print them as comm... | easy | ○ Not Started | LoopsArrays | Solve |
| 34 | filter: Keep Long WordsUse filter to keep words that have 5 or more characters, then print them as comm... | easy | ○ Not Started | LoopsArrays | Solve |
| 35 | map + filter: Square Even NumbersUse filter first to keep even numbers, then use map to square them. Print the re... | easy | ○ Not Started | LoopsArrays | Solve |
| 36 | forEach: Count Passing ScoresUse forEach and an if statement to count how many scores are 60 or higher, then ... | easy | ○ Not Started | LoopsArrays | Solve |
| 59 | For Loop: Print Multiples of FiveUse a for loop to collect the multiples of 5 from 5 up to 50, then print them on... | easy | ○ Not Started | Loops | Solve |
| 86 | Count From 1 to 5Use a for loop to print the numbers 1, 2, 3, 4, and 5, each on its own line. Sta... | easy | ○ Not Started | Loops | Solve |
| 87 | Print the Even Numbers to 10Print all the even numbers from 2 up to and including 10, each on its own line. ... | easy | ○ Not Started | Loops | Solve |
| 88 | Add Up the Numbers 1 to 10Calculate the total of all the numbers from 1 to 10 by adding them one at a time... | easy | ○ Not Started | Loops | Solve |
| 89 | Times Table for 3Print the multiplication table for 3, from 3 x 1 all the way up to 3 x 10. Each ... | easy | ○ Not Started | Loops | Solve |
| 90 | List Each FruitYou are given an array of fruit names. Use a for-of loop to go through the array... | easy | ○ Not Started | Loops | Solve |
| 91 | Countdown From 5Use a while loop to count down from 5 to 1, printing each number on its own line... | easy | ○ Not Started | Loops | Solve |
| 92 | Squares of 1 to 5Print the square of each number from 1 to 5, each on its own line. The square of... | easy | ○ Not Started | Loops | Solve |
| 141 | For Loop: Print Odd Numbers 1 to 9Use a `for` loop to print every odd number from 1 to 9, each on its own line.... | easy | ○ Not Started | Loops | Solve |
| 142 | For Loop: Sum of Squares 1 to 5Use a `for` loop to add up the squares of the numbers 1 through 5 (that is `1*1 ... | easy | ○ Not Started | Loops | Solve |
| 143 | While Loop: Print Powers of TwoUse a `while` loop to print the powers of two from 1 up to and including 16, eac... | easy | ○ Not Started | Loops | Solve |
| 144 | For...of Loop: Print String CharactersUse a `for...of` loop to print each character of the word `"code"` on its own li... | easy | ○ Not Started | Loops | Solve |
| 145 | For...in Loop: Print Object ValuesUse a `for...in` loop to print each value in the `scores` object, one per line, ... | easy | ○ Not Started | Loops | Solve |
| 146 | map: Celsius to FahrenheitUse `map` to convert each Celsius temperature to Fahrenheit using the formula `c... | easy | ○ Not Started | Loops | Solve |
| 147 | filter: Keep Positive NumbersUse `filter` to keep only the numbers greater than 0, then print them joined by ... | easy | ○ Not Started | Loops | Solve |
| 148 | reduce: Product of an ArrayUse `reduce` to multiply all the numbers in the array together and print the pro... | easy | ○ Not Started | Loops | Solve |
| 149 | For Loop: Countdown by TwosUse a `for` loop to count down from 10 to 0 by twos, printing each number on its... | easy | ○ Not Started | Loops | Solve |
| 150 | forEach: Sum of AgesUse `forEach` to add up all the ages in the array and print the total.... | easy | ○ Not Started | Loops | Solve |
| 151 | Loop: Count Even NumbersLoop over the array and count how many numbers are even, then print the count.... | easy | ○ Not Started | Loops | Solve |
| 152 | For Loop: Print Letters A to EUse a `for` loop and `String.fromCharCode` to print the letters A, B, C, D, E, e... | easy | ○ Not Started | Loops | Solve |
| 153 | map: Get Word LengthsUse `map` to build an array of the length of each word, then print the lengths j... | easy | ○ Not Started | Loops | Solve |
| 60 | For Loop: Times Table of FourUse a for loop to print the multiplication table of 4, from 1 to 10. Each line s... | medium | ○ Not Started | Loops | Solve |
| 61 | reduce: Sum of an ArrayAn array of numbers is given. Use the array reduce method to add up all of its e... | medium | ○ Not Started | Loops | Solve |
| 62 | reduce: Largest in an ArrayAn array of numbers is given. Use the array reduce method to find the largest va... | medium | ○ Not Started | Loops | Solve |
| 63 | While Loop: Count the DigitsA positive integer is given. Use a while loop to count how many digits it has, a... | medium | ○ Not Started | Loops | Solve |
| 64 | Nested Loops: Rectangle of StarsUse nested loops to print a rectangle of stars with 3 rows and 5 columns. Each r... | medium | ○ Not Started | Loops | Solve |
| 65 | Loop: Count the VowelsA word is given. Use a loop to count how many of its letters are vowels (a, e, i... | medium | ○ Not Started | Loops | Solve |
| 93 | Sum of Even Numbers to 20Add up only the even numbers from 1 to 20 and print the total. Loop through ever... | medium | ○ Not Started | Loops | Solve |
| 94 | Double Each Number, Then Show the TotalYou are given an array of numbers. Use a for-of loop to print each number double... | medium | ○ Not Started | Loops | Solve |
| 95 | Running Step CountYou have an array of steps walked on each of four days. Loop through the array u... | medium | ○ Not Started | Loops | Solve |
| 154 | Loop: Factorial of a NumberCompute the factorial of `n` (the product of every integer from 1 up to `n`) usi... | medium | ○ Not Started | Loops | Solve |
| 155 | While Loop: Sum of DigitsUse a `while` loop to add up the individual digits of the number 1234 and print ... | medium | ○ Not Started | Loops | Solve |
| 156 | Loop: Find the MaximumLoop through the array and find the largest number without using `Math.max`, the... | medium | ○ Not Started | Loops | Solve |
| 157 | Loop: Count a CharacterLoop over the string `"banana"` and count how many times the letter `"a"` appear... | medium | ○ Not Started | Loops | Solve |
| 158 | break: Find First Number Over 100Loop through the array and print the first number greater than 100, then stop th... | medium | ○ Not Started | Loops | Solve |
| 159 | continue: Sum Skipping Multiples of ThreeAdd up the numbers from 1 to 10, but use `continue` to skip any multiple of 3 (3... | medium | ○ Not Started | Loops | Solve |
| 160 | Loop: Reverse an ArrayBuild a new array with the elements of `nums` in reverse order (without using th... | medium | ○ Not Started | Loops | Solve |
| 161 | Loop: Average of an ArrayLoop through the array to find the sum, divide by the number of elements, and pr... | medium | ○ Not Started | Loops | Solve |
| 66 | Nested Loops: Multiplication GridUse nested loops to print a 3 x 3 multiplication grid. The value in row r, colum... | hard | ○ Not Started | Loops | Solve |
| 67 | Loop: FizzBuzz to FifteenUse a loop over the numbers 1 to 15. For each number print:
- 'FizzBuzz' if it i... | hard | ○ Not Started | Loops | Solve |
| 68 | Loop: Reverse a StringA word is given. Use a loop to build the reversed version of the string (do not ... | hard | ○ Not Started | Loops | Solve |
| 162 | Loop: Fibonacci SequencePrint the first 8 numbers of the Fibonacci sequence (each number is the sum of t... | hard | ○ Not Started | Loops | Solve |
| 163 | Loop: Check Prime NumberDetermine whether the number 29 is prime (divisible only by 1 and itself). Print... | hard | ○ Not Started | Loops | Solve |
| 164 | Nested Loops: Number TriangleUse nested loops to print a triangle where row 1 is `1`, row 2 is `12`, and so o... | hard | ○ Not Started | Loops | Solve |
| 165 | Loop: Palindrome CheckCheck whether the word `"racecar"` reads the same forwards and backwards. Build ... | hard | ○ Not Started | Loops | Solve |