If not specified the value defaults to undefined. If there are not enough elements in the array for the last iteration of the loop the remaining arguments to the callback will be undefined. Optionally ...

Student exercises that reinforce understanding of how arrays and loops work together in JavaScript. All work is done in the .js file, and results appear in the console. The audience for these ...

JavaScript’s arrays can hold heterogeneous types ... rather than traditional imperative loops that describe in detail what is to occur. Let’s look at a few examples of working with arrays ...