An "Angular course" refers to a learning program or training designed to teach individuals how to use the Angular framework, a popular JavaScript framework for building web applications, and its related technologie

Service is a broad category encompassing any value, function, or feature that an application needs. A service is typically a class with a narrow, well-defined purpose. It should do something specific and do it well.

Angular distinguishes components from services to increase modularity and reusability.

Ideally, a component's job is to enable only the user experience. A component should present properties and methods for data binding to mediate between the view and the application logic. The view is what the template renders and the application logic is what includes the notion of a model.

In web development, "forms" refer to HTML elements that allow users to input data, while "CRUD" stands for Create, Read, Update, and Delete, representing the fundamental data operations in applications that interact with databases. A simple example of a web application using forms and CRUD operations could be a user registration form that allows users to create accounts (Create), view their profiles (Read), edit their information (Update), and delete their accounts (Delete).
Forms:
Purpose: Forms are used to collect user input, such as text, numbers, dates, selections, and files.
HTML Elements: Common form elements include , , , , and .
Example:
Code

Username:

Email:

Submit

Action and Method: The action attribute specifies the URL where the form data will be sent, and the method attribute specifies the HTTP method (e.g., GET, POST) used to send the data.
CRUD Operations:
Create (C):
Allows users to add new data to the database, such as creating a new user account.
Read (R):
Enables users to view existing data, such as displaying a user's profile information.
Update (U):
Allows users to modify existing data, such as editing a user's profile.
Delete (D):
Enables users to remove data from the database, such as deleting a user account.
Example:
A user management system could implement CRUD operations for managing users, where users can create new users, view user details, update user information, and delete user accounts.
Web Application Example:
Consider a simple web application for managing a list of tasks:
Create:
A form allows users to enter a new task description and submit it, creating a new task entry in the database.
Read:
A list displays all tasks, allowing users to view the task list.
Update:
Each task entry has an "Edit" button that opens a form pre-filled with the task details, allowing users to modify the task description and submit the changes, updating the task in the database.
Delete:
Each task entry has a "Delete" button that deletes the task from the database.
Implementation:
Frontend (HTML, CSS, JavaScript): Handles the user interface and form interactions.
Backend (Server-Side Language, Database): Processes the form data, interacts with the database to perform CRUD operations, and sends the updated data back to the frontend.
Example Languages and Technologies:
HTML, CSS, JavaScript: For the frontend.
PHP, Python (with frameworks like Django or Flask), Node.js: For the backend.
MySQL, PostgreSQL, MongoDB: For the database.
What Is CRUD? Create, Read, Update, and Delete - CrowdStrike
20 Dec 2022 — CRUD is the acronym for CREATE, READ, UPDATE and DELETE. These terms describe the four essential operations for creatin...

CrowdStrike
Create, read, update and delete - Wikipedia
In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. CR...

Wikipedia
A Simple Crude Application Function With MYSQL and PHP.
16 Sept 2022 — CRUDE is an acronym for the four basic types of SQL commands: Create, Read, Update, Delete. Most applications have som...

DEV Community
Show all