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Arrays are extremely useful and can do many complicated actions. Array methods help you work with arrays much faster and can really cut down on the length of your programs as well as make them much easier to read and understand.
Learn to use array methods to work with arrays much more efficiently
Let's try using the .length method in a function
Use a forEach Loop
Double each element in an array of numbers
This function will help us in the next exercise
Use the splice method to complete this challenge
The filter method is very useful when you have large amounts of data
You can use filter to apply a change to a list of objects.
Typical college freshman homework style question