quescol Short Answer EJB stands for Enterprise JavaBeans. It’s a server-side software that simplifies building big, complex Java applications. Benefits of EJB include: For example, banks use EJB to process lots of transactions while keeping customer information secure. Detailed Answer Enterprise JavaBeans (EJB) is a server-side software component that encapsulates the business logic of an application. … Read more
Short Answer A Java Bean is a reusable software component for Java. It’s like a building block for Java applications. Java Beans are classes in Java that follow certain conventions. They are used to encapsulate many objects into a single object (the bean), so they can be passed around as a single bean object rather … Read more
Short Answer The Common Gateway Interface (CGI) is a way for web servers to run programs. It helps make websites interactive by processing user data. Here’s how CGI works? The biggest downside of CGI is that it’s slow. Each time someone uses a CGI program, the server starts a new process. This can take a … Read more
Short Answer VBScript is preferred over JavaScript mainly in older or specific Windows-based systems. It works well with Internet Explorer and for automating tasks in Windows. For example, if you have a program that runs on Windows and uses Internet Explorer, VBScript might be the right choice. It can automate things like file operations and … Read more
Short Answer VBScript stands for Visual Basic Scripting Edition. It’s a programming language by Microsoft. You use it to make websites do things. VBScript runs on Internet Explorer, but not on other browsers. For example, VBScript can make a message pop up when you click a button. It works by putting VBScript code into a … Read more
Short Answer AJAX (Asynchronous JavaScript and XML) is a technique for creating fast and dynamic web pages. It allows web pages to update asynchronously by exchanging data with a web server behind the scenes. This means that it’s possible to update parts of a web page, without reloading the whole page. Here’s a simple example … Read more
Short Answer Dynamic HTML, or DHTML, is a mix of web technologies that makes websites interactive. It uses HTML, CSS, and JavaScript together. When you click or move your mouse on a webpage, and things change without loading a new page, that’s DHTML at work. For example, when you hover over a menu and it … Read more
Short Answer An event is something that happens, like a click or a key press. In JavaScript, event handling means responding to these events. You write functions called event handlers that run when an event happens. For example, you can have a button on a webpage that listens for clicks. When someone clicks it, JavaScript … Read more
Short Answer Client-side validation is a crucial part of web development that helps ensure users fill out form fields correctly before submitting the data to the server. This improves user experience by providing immediate feedback on input errors and reduces server load since fewer invalid forms are submitted. To perform client-side validation using JavaScript, we … Read more
Short Answer The Document Object Model (DOM) in JavaScript is a way of looking at and changing a web page’s content, structure, and style. It turns the page into a tree of objects that JavaScript can work with. You can use the DOM to add, remove, or change HTML elements and their styles, making the … Read more