Explain React Components in detail.
Explain React Components in detail. SOLUTION…. OUTPUT
What is a module in AngularJS? Also explain how to create a controller of the module with an example.
What is a module in AngularJS? Also explain how to create a controller of the module with an example. SOLUTION…. What is a module in AngularJS — and how to create a controller for it (detailed) A module in AngularJS (Angular 1.x) is a container that groups related parts of an application — controllers, services, […]
Describe in detail how to validate forms in AngularJS.
Describe in detail how to validate forms in AngularJS. SOLUTION Form Validation in AngularJS Form validation is the process of checking whether the data entered by a user is correct, complete, and acceptable before submitting it. AngularJS makes form validation easier by providing built-in directives, CSS classes, and properties that help in real-time validation. 1. […]
Explain expressions and filters in AngularJS.
Explain expressions and filters in AngularJS. SOLUTION…. Expressions and Filters in AngularJS 1. AngularJS Expressions Expressions in AngularJS are pieces of code written inside double curly braces {{ }}. They are used to bind data between the model (scope variables) and the view (HTML page). Purpose: To display dynamic values or evaluate simple calculations directly […]
Explain Event Handling in React.
Explain Event Handling in React. SOLUTION…. Event Handling in React In React, event handling refers to managing user actions such as clicks, typing, mouse movement, or form submissions. It works similarly to handling events in plain JavaScript but uses camelCase syntax (e.g., onClick, onChange) and is written inside JSX. Key Points: CamelCase Events – React […]
What is DOM? Explain Directives in detail.
What is DOM? Explain Directives in detail. SOLUTION…. What is DOM? The DOM (Document Object Model) is a programming interface for web documents. It represents the structure of a webpage as a tree of objects, where each element (like headings, paragraphs, images, links) becomes a node. Using DOM, programming languages like JavaScript can access, modify, […]
Explain CRUD in MongoDB with an example.
Explain CRUD in MongoDB with an example. SOLUTION…. CRUD in MongoDB CRUD stands for Create, Read, Update, and Delete, which are the four basic operations performed on data in a database. In MongoDB, data is stored in collections as documents (JSON-like format), and CRUD operations help manage these documents. 1. Create (Insert data) Used to […]
Define URL. Explain types of URL
Define URL. Explain types of URL SOLUTION URL — Detailed Explanation A URL (Uniform Resource Locator) is the address used to locate and retrieve a resource on the internet. It tells a client (browser, API client, etc.) what protocol to use, which host to contact, where the resource lives, and optionally how to pass extra […]
Explain working of Email. Explain difference between Absolute and Relative URL.
Explain working of Email. Explain difference between Absolute and Relative URL. SOLUTION Email is a system to send and receive messages through the internet. When a user writes an email, it is sent via SMTP to mail servers. The recipient’s server stores the message, and the user can read it using POP3 or IMAP through […]
Explain OSI Model.
Explain OSI Model. SOLUTION OSI Model (Open Systems Interconnection Model) The OSI Model is a conceptual framework used to understand how different computer systems communicate over a network. It divides the communication process into seven layers, where each layer has specific functions and interacts with the layers directly above and below it. This layered approach […]