Here are a few questions to get you started. Since the questions are ordered from easiest to harder, it is recommended to start from top. When you are ready, just click on the Solve button. If you cannot figure out the solution, no worries!, just press Show Answer button. When you are ready you can go to the questions page to tackle the REAL questions. Best wishes!

Easy 2 point
Medium 4 points
Hard 6 points
Ninja 10 points

Question | Type | Level | Solve |
---|---|---|---|

Write a function to find the length of given string? | String | Easy | Solve |

Write a function that finds the area of given rectangle? | Math | Easy | Solve |

Write a function to sum the numbers in given list? | Array | Medium | Solve |

Write a function to concatenate the first and last name of given person object? | Object | Easy | Solve |