20 docs tagged with "javascript"

Learn how to add Flow, a static type checker, to your Create React App, empowering your code with type safety and bug prevention.

Learn about the BigInt data type in JavaScript, how to create BigInt values, and common operations with BigInt values.

Learn about the Boolean data type in JavaScript, how to create Boolean values, and common operations with Boolean values.

Learn how to create objects in JavaScript using object literals, constructors, and classes.

JavaScript has a rich history that dates back to the early days of the web. Learn about the origins of JavaScript, its evolution, and how it has become one of the most popular programming languages in the world.

Learn about hoisting in JavaScript and how it affects variable declarations and function definitions.

Learn how to run JavaScript code in the browser and in Node.js.

Learn how to import components in your React applications. Unleash the magic of component importation and integrate them into your app with ease!

Learn about objects in JavaScript, how to create objects, and common operations with objects.

JavaScript has gone through numerous updates and improvements since its inception in 1995. These updates are officially known as ECMAScript (ES) versions, named after the standard maintained by ECMA International. Understanding these versions and their features is crucial for anyone looking to master JavaScript. Let's explore each significant version of JavaScript, what they introduced, and how they transformed the language.

Learn about the null data type in JavaScript, how to create null values, and common operations with null values.

Learn about the number data type in JavaScript, how to create number values, and common operations with number values.

Learn about the string data type in JavaScript, how to create strings, and common string operations.

Learn about the symbol data type in JavaScript, how to create symbols, and common operations with symbols.

Time Complexity is a measure of the amount of time an algorithm takes to solve a problem as a function of the size of the input to the problem. It is commonly estimated by counting the number of elementary operations performed by the algorithm, where an elementary operation takes a fixed amount of time to perform.

Learn about the undefined data type in JavaScript, how to create undefined values, and common operations with undefined values.

Learn how to declare variables in JavaScript using the var, let, and const keywords.

Learn about the rules and best practices for naming variables in JavaScript, including naming conventions, reserved words, and case sensitivity.

Learn about the different scopes of variables in JavaScript.

JavaScript is a high-level, interpreted programming language that is widely used for front-end web development. It is a versatile language that can be used for a variety of purposes, including building interactive websites, web applications, and server-side applications.