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Jason Fleetwood-Boldt
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Tag: JavaScript

JavaScript General

TypeScript Crash Course •WIP•

1/ Everything is a Type The foundation of TypeScript is that everything — absolutely every variable, constant, or object — is a type. You will always be...

Jason
August 16, 2022December 17, 2022
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Nullish coalescing operator (??)

• Returns its left-hand side operand (the first thing) of the left-hand side is anything other than null or undefined. Returns the right-hand-side operand (the second...

Jason
April 6, 2022April 6, 2022
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Modules in JavaScript

Hello "ES6" aka "ECMAScript 2015" Modules In the dark times of Javascript, everything in Javascript application was smashed together like jQuery soup. You would use...

Jason
January 14, 2022August 28, 2022
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The Conditional Render

The conditional render is a subtle and powerful secret tool used by modern Javascript developers. To understand why it is so subtle and powerful, let's...

Jason
December 13, 2021August 23, 2022
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10 Rules of Javascript Variables •WIP•

Learning the fundamental elements of variables, constants, and scope (block & function), nested scope and what "lexical scope" means. As well, the Javascript hoist is...

Jason
September 28, 2021December 17, 2022
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Javascript Got Your Back 🪤

The world of backend Javascript can be exciting, but intimidating. There are a proliferation of backend options to choose from in the Node ecosystem. There...

Jason
May 17, 2021September 20, 2022
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Modern Javascript Fundamentals (2023) 💻

Modern Javascript Fundamentals (2023) 💻

In the early days of the web, the creators of Javascript numbered its version: by version: 1, 2, 3, and 4. Javascript is in fact...

Jason
May 17, 2021December 10, 2022
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Template Literals (aka String Interpolation) With a Backtick

Template Literals (aka String Interpolation) With a Backtick

One of the often-overlooked new features in ES6, formally known as ECMAScript 6, is string interpolation. If you don't know what interpolation means, you probably...

Jason
March 26, 2021August 23, 2022
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Queens JS (4 Apr 2020)
Notes From Meetups

Queens JS (4 Apr 2020)

A photograph on the backdrop of coronavirus panick throughout the city. https://twitter.com/jiserra/status/1235365010077032448 Angus Grieve-Smith (@grvsmth) treated us to a display of how to audio interfaces...

Jason
March 4, 2020March 27, 2021
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Something About Refs
Programming

Something About Refs

React's Virtual DOM arguably revolutionized web development. In short: React will keep a copy of the DOM in its own memory space. When you make...

Jason
January 27, 2020January 24, 2023
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