Welcome to the Match Game SkillBuilder! Your task is to code out the game's functionality by completing the functions we've outlined below. We've left you plenty of comments as well as a suite of ...

If you need to "left join" objects in an array based on one (or more) property, you can use the method below. In the example below, a new array of objects in made on the position property and the ...

That trick is Index/Match, a function that can find any value in any spreadsheet. One of the most common uses of Excel is as a database program, and oftentimes you've got to search the sheet for a ...