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Fixed Headers, On-Page Links, and Overlapping Content, Oh My!


Let's take a basic on-page link: <a href="#section-two">Section Two</a> When clicked, the browser will scroll itself to the element with that ID: <section id="section-two"></section>. A browser feature as old as browsers themselves, just about. But as soon as...

An Illustrated (and Musical) Guide to Map, Reduce, and Filter Array Methods


Map, reduce, and filter are three very useful array methods in JavaScript that give developers a ton of power in a short amount of space. Let’s jump right into how you can leverage (and remember how to use!) these super handy methods. Array.map() Array.map() updates each individual value in...

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