Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in the case of two-dimensional ...

Sorry if this is more like a support request than a real issue, but I haven't been able to find the best practice in the documentation. What is the best way to allocate a variable size array in "pure ...

️ To complete this challenge: Write and test your code in the provided REPL.it links below (remember to click Save to save your work!), and copy the links to your solutions and paste them into a ...