Introduction

This is a simple web application titled Multiple Storage – Student Details Form. This application was developed using HTML, CSS, and JavaScript. The main purpose of this simple application development is to teach IT/CS students or self-learners, and new programmers how to store, retrieve and manage data in the browser using localStorage, SessionStorage, and cookies. is. The application contains CRUD (create, read, update, and delete) operations.

What is localStorage?

localStorage, also known as DOM storage, is web storage used to store client-side data. A window property that can store data. There is no expiration date. Save the key-value data to your web browser.

Sample Usage of localStorage in JavaScript

//Set
	localStorage.setItem('total_cost', '2306')
 
	//Retrieve
	const total_cost = localStorage.getItem('total_cost')
 
	//Delete
	localStorage.removeItem('total_cost')
 
	//Delete All
	localStorage.clear()

What is SessionStorage?

localStorage is web storage similar to localStorage. The difference between localStorage and sessionStorage is that localStorage never expires, sessionStorage expires and is deleted when the site session ends. This storage is also one of the alternatives to web cookies.

Sample Usage of SessionStorage in JavaScript

//Save Data
	sessionStorage.setItem('total_cost', '2306');
 
	//Retrieve
	const total_cost = sessionStorage.getItem('total_cost')
 
	//Delete
	sessionStorage.removeItem('total_cost')
 
	//Delete All
	sessionStorage.clear()

What are Web/HTTP Cookies?

HTTP cookies/web cookies also belong to web storage used to store small blocks of data. Cookies are commonly used to store login details and site access. This can also be used to store data for later use.

Sample Usage of Web/HTTP Cookies in JavaScript

//Save Data
	document.cookie = "email=jsmith@mail.com";
 
	//Retrieve Data
	let cookie_data = document.cookie

This Multi-Storage – Student Details form stores data in the Multi-Storage type specified above. This allows users to save basic student information in their browser. The application displays all data in the right pane or side. Users can update student details or delete them.

Features

• Student Detail Form
• Add New Student
• Display All Student Details
• Edit Student Details
• Delete Student Details

How to Run?

1. Download the provided zip file. (download button is located below this article)
2. Download and Install local web servers such as XAMPP/WAMP
3. If using XAMPP/WAMP, open the XAMPP/WAMP’s Control Panel and start the Apache Server.
4. Extract the source code zip file.
5. Copy the source code folder. If you using XAMPP, paste the folder inside the XAMPP’s htdocs folder. If you are using WAMPP, psete it inside the www directory.
6. Browse the Simple Student Details Form Application in your preferred browser such as Chrome. i.e. http://localhost/js_sdf or http://127.0.0.1/js_sdf

that’s it! Now you can test the page’s source code and make changes to the code to familiarize yourself with the process and understand how it works. I hope this simple source code will help you in your search and help you in your future web application projects. Visit this website for more tutorials and free source code.

DOWNLOAD

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