How do I make an HTTP request in Javascript?

There are several ways to make an HTTP request in JavaScript, but one of the most widely used and supported methods is to use the XMLHttpRequest object. Here is the detail on how do I make an HTTP request in javascript.

Here is an example of how you can use it to make a GET request

to a specific URL:

var xhr = new XMLHttpRequest();

xhr.open("GET", "https://example.com", true);

xhr.send();

You can also use the `fetch()` method to make an HTTP request in modern browsers-How do I make an HTTP request in JavaScript?

fetch('https://example.com')

.then(response => response.text())

.then(data => console.log(data))

There are also libraries such as axios or superagent that is built on top of XMLHttpRequest and fetch() and provide a more user-friendly API.

axios.get('https://example.com')

.then(response => console.log(response.data))

JavaScript has built-in objects to handle various types of network requests, such as XMLHttpRequest and fetch(). These objects allow you to make HTTP requests to a server, receive the server’s response, and then act on that response.

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XMLHttpRequest is an object that has been supported by all major browsers for many years. It allows you to make both synchronous and asynchronous HTTP requests, and it supports all types of HTTP requests, including GET, POST, PUT, and DELETE.

Here is an example of how to use `XMLHttpRequest` to make a GET request to a specific URL: How do I make an HTTP request in JavaScript?

var xhr = new XMLHttpRequest();

xhr.open("GET", "https://example.com", true);

xhr.onload = function () {

if (xhr.status === 200) {

console.log(xhr.responseText);

}

};

xhr.send();

In this example, the open() a method is used to specify the type of request (GET) and the URL to which the request should be sent.

The third parameter passed to the open() method is a Boolean value that indicates whether the request should be sent synchronously (true) or synchronously (false).

The onload property is a callback function that gets executed when the server’s response has been received. In this example, the callback checks the status code of the response and, if it is equal to 200 (meaning “OK”), logs the response text to the console.

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The fetch() the method is another way to make HTTP requests in JavaScript. It was introduced in modern browsers as a more modern and user-friendly alternative to XMLHttpRequest.

The fetch() the method returns a promise that resolves to an Response object, which contains the server’s response to the request.

Here is an example of how to use `fetch()` to make a GET request to a specific URL: How do I make an HTTP request in JavaScript?

fetch('https://example.com')

.then(response => response.text())

.then(data => console.log(data))

In this example, the fetch() method is used to make a GET request to the specified URL. The then() method is used to attach a callback function that will be executed when the server’s response has been received.

The response.text() the method is used to extract the response text from the Response object, and the console.log() method is used to log the response text to the console.

If you want to make a POST, PUT or DELETE request, you need to pass an options object as the second parameter, where you can specify the HTTP method, headers, and body of the request.

const options = {

method: 'POST',

headers: { 'Content-Type': 'application/json' },

body: JSON.stringify({ name: 'John' })

}

fetch('https://example.com', options)

.then(response => response.text())

.then(data => console.log(data))

In addition to `XMLHttpRequest` and `fetch()`, there are also libraries such as `axios` and `How do I make an HTTP request in JavaScript?superagent-`

In addition to XMLHttpRequest and fetch(), there are also libraries such as axios and superagent that is built on top of these built-in objects and provides a more user-friendly API.

These libraries abstract away some of the complexity of working with the raw XMLHttpRequest or fetch() objects, making it easier to handle common use cases and providing additional functionality.

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axios is a popular library that provides a simple and powerful interface for making HTTP requests. It is based on the XMLHttpRequest object and can also be used with the fetch() function in a more modern browser.

With axios you can make requests using the same API for all types of requests, whether it is GET, POST, PUT, or DELETE.

axios.get('https://example.com')

.then(response => console.log(response.data))

axios.post('https://example.com', { name: 'John' })

.then(response =>

console.log(response.data))

`superagent is another library that provides a simple and elegant interface for making HTTP requests`

superagent is another library that provides a simple and elegant interface for making HTTP requests. It is based on XMLHttpRequest and can also be used with the fetch() function in a more modern browser. You superagent can chain different methods to construct your request and handle the response.

const request = require('superagent')

request

.get('https://example.com')

.then(response => console.log(response.text))

request

.post('https://example.com')

.send({ name: 'John' })

.then(response => console.log(response.text))