XMLHttpRequest

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How to Use

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XMLHttpRequest

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Property of dom/window

Syntax

Note: This property is read-only.

var xhr = window.XMLHttpRequest;

Return Value

Returns an object of type DOM Node.

An XMLHttpRequest instance object.

Examples

The following script demonstrates how to create and use the XMLHttpRequest object:

JavaScript

if (window.XMLHttpRequest)
{
  var xhr = new XMLHttpRequest();
  xhr.open("GET", "http://localhost/test.xml", true);
  xhr.onreadystatechange =
    function () {
      if (xhr.readyState === 4) {
        console.log(xhr.statusText);
     }
    };
   xhr.send();
}

Related specifications

Specification	Status	Related Changes
XMLHttpRequest	Working Draft	Section 3

Compatibility

Desktop

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic Support	1	1	7	8	1.2

Mobile

Feature	Android	BlackBerry	Chrome for mobile	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Opera Mini	Safari Mobile
Basic support	?	?	?	?	?	?	?	?

Compatibility notes

Browser	Version	Note
Internet Explorer	5.5 - 6	Using the XMLHttp ActiveX object, you could emulate the XMLHttpRequest.

See also

Related pages (MSDN)

• dom/window
• create

This article contains content originally from external sources.

Portions of this content come from the Microsoft Developer Network: [Windows Internet Explorer API reference Article]