Archive for the ‘quick-tip’ Category

JavaScript Design Patterns: The Observer Pattern

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In JavaScript, there is a problem that comes up often. You need a way to update parts of a page in response to certain events, with the data these provide. Say, for example, user input that you then project into one or many components. This leads into ...

A Beginner’s Guide to HTML5 Cross-Browser Polyfills

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The web can seem fast moving. New frameworks, tools, and even languages come and go. Yet many developers feel that they have to move as fast as their slowest user. New browsers are ‘evergreen’ — they auto-update unseen in the background witho...

6 jQuery-inspired Native DOM Manipulation Methods You Should Know

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When jQuery was released, one of the main reasons behind its meteoric rise to popularity was the ease with which it could select DOM elements, traverse them and modify their content. But that was way back in 2006. In those days we were stuck with Inter...

Exploring ES2017 Decorators in JavaScript

With the introduction of ES2015+, and as transpilation has become commonplace, many of you will have come across newer language features, either in real code or tutorials. One of these features that often has people scratching their heads when they fir...

What Is Event Bubbling in JavaScript? Event Propagation Explained

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Event bubbling is a term you might have come across on your JavaScript travels. It relates to the order in which event handlers are called when one element is nested inside a second element, and both elements have registered a listener for the same eve...

Quick Tip: How to Build Your Custom Theme for Telescope Nova

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Telescope Nova is the perfect platform to use if you want to build your own social web app fast and easy. This is a free and open-source project created by Sacha Greif. The front-end development part of the app is built with the React library , while ...