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A Simple Explanation of JavaScript Variables: const, let, var

How to declare, initialize, assign and read JavaScript variables using const, let and var statements.
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How to Dynamically Import ECMAScript Modules

Updated October 3, 2021
How to use import(pathToModule) to dynamically import ECMAScript modules in JavaScript.
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How to Memoize with React.useMemo()

How and when to use React.useMemo() hook to improve the performance of React components.
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How to Cleanup Async Effects in React

Posted May 25, 2021
How to correctly cleanup async side-effects in React when the component unmounts or updates.
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Why Math.max() Without Arguments Returns -Infinity

What is the reason that Math.max() utility function when being called without arguments returns -Infinity.
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How to Correctly Debounce and Throttle Callbacks in React

Updated October 2, 2022
How to correctly debounce and throttle callbacks in React using useCallback() and useMemo() hooks.
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Don't Confuse Function Expressions and Function Declarations in JavaScript

What are the differences between function declarations and function expressions in JavaScript.
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How to Use ECMAScript Modules in Node.js

How to enable and use ECMAScript 2015 modules in Node.js.
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Solving a Mystery Behavior of parseInt() in JavaScript

Solving a mystery of how parseInt() parses small float numbers in JavaScript.
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How to Use Array Reduce Method in JavaScript

What is a reduce operation and how to use array.reduce() method to perform the reduce operation on arrays.
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Dmitri Pavlutin

About Dmitri Pavlutin

Tech writer and coach. My daily routine consists of (but not limited to) drinking coffee, coding, writing, coaching, overcoming boredom 😉.