An array method is an operation that manipulates an array. There are a range of array methods built into the JavaScript language. Each method falls into one of two categories: destructive or nondestructive. See below for some array methods and how to use them. …


If you’re like me, when attempting to start a new app the zeroth step is always looking through previously completed projects to remember how to set up your files. While developing a rails backend is a straightforward process, much of the initial legwork happens in the command line and is…


I was recently working on a mock eye-wear retail website with a partner. We wanted the user of the website to be able to filter the collection of available eye-wear based on glasses color, material, manufacturer, lens-tint (sunglasses or corrective lenses) and gender. We intended for the user to be…


“Objects in JavaScript are passed by reference, not by value”. If you’ve ever taken a course on JavaScript you’ve probably heard some version of this phrase. It’s possible that upon hearing this sage wisdom you tattooed it onto the back of your hand or you wrote it onto a sticky…

Sean Ottomanelli

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