Managing Editor

dubakurcompany

sresrtyijkkugkjvkjkjghlgbhigubkujhlknkjgkjXMLHttpRequest is a built-in browser object that allows to make HTTP requests in JavaScript.

Despite of having the word XML in its name, it can operate on any data, not only in XML format. We can upload/download files, track progress and much more.

Right now, theres another, more modern method fetch, that somewhat deprecates XMLHttpRequest.

In modern web-development XMLHttpRequest is used for three reasons:

Historical reasons: we need to support existing scripts with XMLHttpRequest.

We need to support old browsers, and dont want polyfills (. to keep scripts tiny).

We need something that fetch cant do yet, . to track upload progress.

Does that sound familiar? If yes, then all right, go on with XMLHttpRequest. Otherwise, please head on to Fetch.

The basics

XMLHttpRequest has two modes of operation: synchronous and asynchronous.

Lets see the asynchronous first, as its used in the majority of cases.

To do the request, we need 3 steps:

Create XMLHttpRequest:

let xhr = new XML

• Experience

  3 - 7 Years

• No. of Openings

  6

• Education

  Vocational Course

• Role

  Managing Editor

• Industry Type

  Agriculture / Dairy

• Gender

  [ Male / Female ]

• Job Country

  India

• Type of Job

  Full Time

• Work Location Type

  Work from Office