The jQuery website defines jQuery (jQ) as “a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.”. New codes are added to the browser when more script files are loaded, and you can add any number of files at any time. You can create new functions or replace existing functions at runtime. The code written in JavaScript is dynamic, you can create a variable at runtime, and the type is determined at runtime. You declare a variable as, var msg = "Hello World!" But in the case of JavaScript, pretty much everything is dynamic.Īll variables are dynamic in type and existence. Most programming languages have dynamic behaviors. What do you mean by JavaScript being dynamic? It runs in all modern browsers without any additional plugins. This is because it was considered the language of the web since its birth. There is nothing you need to include in the browser to support JavaScript. It is most commonly used for appealing UI (like moving objects and flashy elements on the screen), user interactions (client-side validation, showing pop-ups etc.), and for controlling the document content displayed to the user. As the name suggests, JavaScript is a scripting language. Other than the unfortunate similarity in name, it has nothing to do with Java programming language. JavaScript (JS) is a dynamic programming language. Let us first look at what is JavaScript and what is jQuery. People who start their careers usually question - why jQuery while there is JavaScript, or the difference between JavaScript and jQuery which is better to use - JavaScript or jQuery is jQuery an alternative for JavaScript, or will jQuery replace JavaScript etc? This article is mainly for those developers who are new to web development.
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