XMLHttpRequest module not defined found

Question

This is my code   var XMLHttpRequest   require  xmlhttprequest   XMLHttpRequest  var xhr   new XMLHttpRequest    xhr open  GET      URL   xhr setRequestHeader  Content-Type  application json    Authorization  Basic   AuthKey    xhr send      I am getting the error   Cannot find module  xmlhttprequest    When I remove the first line  I am getting   XMLHttpRequest is not defined   I have searched all over and people have mentioned a problem with Node js here and there but my installation of Node was correct so I m not sure what the issue is

User · Answer

With the xhr2 library you can globally overwrite XMLHttpRequest from your JS code  This allows you to use external libraries in node  that were intended to be run from browsers   assume they are run in a browser   global XMLHttpRequest   require  xhr2

User · Answer

Since the last update of the xmlhttprequest module was around 2 years ago  in some cases it does not work as expected   So instead  you can use the xhr2 module  In other words   var XMLHttpRequest   require  xmlhttprequest   XMLHttpRequest  var xhr   new XMLHttpRequest      becomes   var XMLHttpRequest   require  xhr2    var xhr   new XMLHttpRequest      But     of course  there are more popular modules like Axios  because -for example- uses promises      Make a request for a user with a given ID axios get   user ID 12345   then function  response        console log response      catch function  error        console log error

User · Answer

XMLHttpRequest is a built-in object in web browsers   It is not distributed with Node  you have to install it separately    Install it with npm   npm install xmlhttprequest  Now you can require it in your code   var XMLHttpRequest   require  xmlhttprequest   XMLHttpRequest  var xhr   new XMLHttpRequest       That said  the http module is the built-in tool for making HTTP requests from Node   Axios is a library for making HTTP requests which is available for Node and browsers that is very popular these days

[javascript] XMLHttpRequest module not defined/found

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