If you are going to define a functionality which will be used in various HTML documents then it's better to keep that functionality in a separate JavaScript file and then include that file in your HTML documents. HTML is a Markup Language of the web whereas Javascript is a most advanced, dynamic scripting & interpreted programming language. Cannot run without a server. Javascript is an interpreted and high-level programming language with object-oriented capabilities. The programs which are used in Javascript language are known as scripts. Je verwijst naar de invoer in een formulier via document (het object Form is immers een eigenschap van document), via de formuliernaam, via de elementnaam (al dan niet met index) en via de bijbehorende eigenschap. In the early days of the Internet, around 1990, Internet Explorer and Netscape Navigator were the two most popular web browsers in use by the general public. HTML5 is the latest (i.e., fifth and current major version) and most enhanced version of HTML used for structuring and presenting content on the WWW (World Wide Web). Javascript is OOP scripting language and uses C programming like functions & uses only var data type. Javascript (JS) is a scripting languages, primarily used on the Web. AngularJS is a JavaScript framework. Using JavaScript we can actually make boring web pages highly interactive. This article will walk you step by step creating a basic webpage with HTML, CSS, and JavaScript. There are many web languages available, however we’re just going to look at three of them. There is no shortag… Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. JavaScript is a programming language commonly used in websites to perform functions that the HTML cannot do. Read this how to add JavaScript in HTML guide to know more! It provides immediate feedback to the user/visitor if the user missed entering some information. These can be written in the HTML page and also these execute automatically as the page get loads. Op deze manier heb je de programma's snel onder knie en kun je opgedane kennis direct in de praktijk toepassen. In the beginning we'll give a short overview to JavaScript. You have two choices when it comes to embedding JavaScript code in an HTML file: