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Difference between GET and POST request in Vanilla JavaScript

Last Updated : 15 Jul, 2025

In this article, we will learn about the GET & POST request method in vanilla Javascript, & will also understand these 2 methods through the examples.

GET and POST is two different types of HTTP request methods. HTTP protocol supports many methods to transfer data from the server or perform any operation on the server. The HTTP protocol supports the methods, e.g. GET, POST, PUT, DELETE, PATCH, COPY, HEAD, OPTIONS, etc. Before we dive into the main difference between GET and POST request methods, let's have a look at what does these HTTP methods are.

  • GET request() Method: Data is being requested from a specific resource (through some API URL). Here in the example, a dummy API is used to demonstrate, how GET requests actually work.
  • POST request() Method: Data is sent to be processed to a specific resource (through some API URL). Here in the example, a dummy API is used to demonstrate, how POST request actually works.

The GET & POST request methods are used by the fetch() method that is used to request to the server and load the information in the webpages.

Example: The example demonstrates the GET request method.

Example: The example demonstrates the POST request method.

Difference between GET and POST:

S.No.

                      GET Request

                               POST Request

1.

GET retrieves a representation of the specified resource.

POST is for writing data, to be processed to the identified resource.

2.

It typically has relevant information in the URL of the request.

It typically has relevant information in the body of the request.

3.

It is limited by the maximum length of the URL supported by the browser and web server.

It does not have such limits.

4.

It is the default HTTP method.

In this, we need to specify the method as POST to send a request with the POST method.

5.

You can bookmark GET requests.

You cannot bookmark POST requests.

6.

It is less secure because data sent is part of the URL

It is a little safer because the parameters are not stored in browser history or in web server logs.

7.

It is cacheable.

It is not cacheable.

8.

For eg. GET the page showing a particular question.

For eg. Send a POST request by clicking the "Add to cart" button.

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