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An array comes with properties and methods we can use in our programming to accomplish tasks with our array data. Length There are times we wish to know how many items are in our array. We can do this with the length property. For example… The aforementioned code will output the number 3 for the […]

Arrays are variables that allow us to store multiple values in a single item. For example, if you collect baseball cards, you might have a cards array and your individual baseball cards in each slot of the array. How do we create an array? In JavaScript, we use square brackets to denote an array. Here

In JavaScript, as in other languages, there is a math method that we can use when working with and manipulating numbers. JavaScript does give us the ability to work with numbers directly in our variables, but there are some “quirks”. For example… You would expect the console to display 8.4, but it displays “8.399999999999999”, which