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JavaScript is a high-level programming language that follows the ECMAScript standard. It was originally designed as a scripting language for websites but became widely adopted as a general-purpose programming language, and is currently the most popular programming language in use. [1]
Jan 24, 2024 · JavaScript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2D/3D graphics, scrolling video jukeboxes, etc. — you can bet ...
Aug 8, 2022 · JavaScript was initially created as a browser-only language, but it is now used in many other environments as well. Today, JavaScript has a unique position as the most widely-adopted browser language, fully integrated with HTML/CSS. There are many languages that get “transpiled” to JavaScript and provide certain features.
Mar 31, 2024 · Weak typing. JavaScript is a weakly typed language, which means a data value doesn't need to be explicitly marked as a specific data type . Unlike a strongly typed language, JavaScript can infer the intended type from a value's context and convert the value to that type. This process is called type coercion.
Apr 19, 2024 · JavaScript, computer programming language that is a mainstay of web development, enabling the creation of complex features and interactivity in websites and web applications, as well as other use cases. JavaScript is a scripting language, meaning that its code is interpreted (i.e., translated into.
JavaScript syntax. A snippet of JavaScript code with keywords highlighted in different colors. The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .
A JavaScript engine is a software component that executes JavaScript code. The first JavaScript engines were mere interpreters, but all relevant modern engines use just-in-time compilation for improved performance. JavaScript engines are typically developed by web browser vendors, and every major browser has one
