5 JavaScript Scope Gotchas
Posted April 26, 2020
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5 situations when the JavaScript scope behaves differently than you expect.
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A Simple Explanation of Scope in JavaScript
Posted April 20, 2020
The scope is an important concent that manages variables accessibility. I will explain step by step, in-depth, what the scope is in JavaScript.
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How && and || Operators Really Work in JavaScript
Posted April 9, 2020
In-depth post on how && (logical and) and || (logical or) operators work in JavaScript.
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The Module Import in JavaScript Has a Drawback
Posted April 1, 2020
In JavaScript you might have difficulties to use autocomplete on named imports. Let's study the problem and find a solution.
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Why for...of Loop in JavaScript is a Gem
Posted March 25, 2020
for...of cycle in JavaScript iterates arrays, maps, sets, array-like objects, iterables, plus supports in-place destructuring.
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Handy Tips on Using console.log()
Posted March 18, 2020
Practical tips on how to use efficiently console.log().
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What Happens When a Module Is Imported Twice?
Posted March 10, 2020
A JavaScript module is evaluated just once. When imported multiple times from the same path, the same module instance is returned.
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3 Rules of React State Management
Posted March 4, 2020
3 Rules of React State Management: one concept per state variable, extract complex state into hooks and extract multiple ops to reducers.
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4 Best Practices to Write Quality JavaScript Modules
Posted February 26, 2020
JavaScript modules best practices: prefer named exports, no work during import, favor high cohesion and avoid long relative paths.
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4 Ways to Swap Variables in JavaScript
Updated March 23, 2023
There are 4 good ways to swap variables in JavaScript: using a destructuring assignment, a temporary variable, addition & difference, or XOR operator.
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About Dmitri Pavlutin
Software developer and sometimes writer. My daily routine consists of (but not limited to) drinking coffee, coding, writing, overcoming boredom 😉. Living in the sunny Barcelona. 🇪🇸
