How to connect html form to database using javascript

js environment along with a library or package that can communicate with your database. Here’s a basic example of how to set up and run a database query using Node.js and a popular database library, such as for MySQL or for PostgreSQL.

1.

Example Using MySQL Database with Package

Step 1: Install the Package

If you haven’t already, you need to install the package using npm:

npm install mysql2

Here’s how you can connect to a MySQL database and run a query using :

Explanation:

1. Importing the Library:
   • The statement imports the MySQL library.
2. Creating a Connection:
   • creates a new connection to the MySQL database.
   • Replace the connection configuration (host, user, password, database) with your actual database details.
3. Running a Query:
   • executes the specified SQL query.
   • The callback function handles the response, where contains the data retrieved.
4. Closing the Connection:
   • closes the connection after the query is completed.

2.

Example Using PostgreSQL with the Package

Step 1: Install the Package

npm

how to connect to postgres database in javascript

how to connect to sqlite database in javascript