– Definition, Functions, Specialties, And More. You can use a function declaration or a function expression. Big Data and 5G: Where Does This Intersection Lead? JavaScript, on the other hand, is a text-based programming language meant to run as part of a web-based application. No side-effects Let’s zoom in on each one. X    K    Many web browsers offer the capability to disable JavaScript; it is a good idea to specify what happens if it gets downloaded to a machine that does not support it. But JavaScript is also used beyond the Web in software, servers and embedded hardware controls. JavaScript has a lot of advantages that make it better than its competitors; some of the benefits of using JavaScript include: You don’t need a compiler because web browsers interpret it with HTML; The downside of this programming language is there is an additional incentive for hackers, scammers, and other malicious third parties to try to find loopholes and security flaws. J    JavaScript renders web pages in an interactive and dynamic fashion. Many of today’s pages have menus, forms, slideshows and even images that provide user interaction. A method is simply a function that has been assigned to a property name of an object. 26 Real-World Use Cases: AI in the Insurance Industry: 10 Real World Use Cases: AI and ML in the Oil and Gas Industry: The Ultimate Guide to Applying AI in Business. The software on the remote server sends information to the client (i.e. P    Earlier in this tutorial, you learned that functions are declared with the following syntax: function functionName(parameters) { // code to be executed} Declared functions are not executed immediately. You can reach me at kamransharief@gmail.com, What is JavaScript? ECMAScript (European Computer Manufacturers Association Script) is a scripting language based on JavaScript. Definition of JavaScript in the Definitions.net dictionary. What does JavaScript mean? Join nearly 200,000 subscribers who receive actionable tech insights from Techopedia. Although JavaScript is mostly used to interact with HTML objects, it can also be made to interact with other non-HTML objects such as browser plugins, CSS (Cascading Style Sheets) properties, the current date, or the browser itself. Terms of Use - While there are other languages that can be used for scripting on the Web, in practice it is essentially all Javascript. JavaScript is a popular programming language that makes websites come alive. To insert JavaScript code into a web page, you must use the