Cristian Salcescu's Blog, page 4

How to Control a Checkbox List vs a List of Radio Buttons with React Hooks

Quick start with list components

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How to Dynamically Create a Class

Quick start with class expressions

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How to Create a Three-Layer Application with React Hooks

API objects, stores, useState, useEffect, and more …

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6 Ways to Declare a Variable in JavaScript

var, let, const, function, class, import, and more

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How to Access the State in setTimeout Inside a React Function Component

useState, setTimeout, useEffect, useRef, and more

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How to Simplify a Check for Several Values

Get-up-to speed with the array includes method

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JavaScript: The Fundamentals

The book is available in Kindle format Cover photo

The JavaScript: The Fundamentals book is now available in Kindle format.

JavaScript is the language of the web and one of the most used programming languages.

It puts together some powerful features like closures, functions as values, objects as dynamic collections of properties, experimental characteristics, the prototype system, and some dangerous features such as the type coercion system.

This book looks at what I think are the fundamentals concep...

How to Implement Single Table SQL Select Queries with the Array Methods

SELECT DISTINCT, TOP N, WHERE clause in SQL plus the filter, map, slice array methods, and more

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How to Convert Between Data Structures in JavaScript

Objects, arrays, sets, maps, and more

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How to Convert To a Roman Numeral

Building a recursive function for transforming numbers to their equivalent Roman numeral

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