buffer-property-float64array.md

title	ms.custom	ms.date	ms.prod	ms.reviewer	ms.suite	ms.technology	ms.tgt_pltfrm	ms.topic	dev_langs	ms.assetid	caps.latest.revision	author	ms.author	manager
buffer Property (Float64Array) | Microsoft Docs		01/18/2017	windows-client-threshold			devlang-javascript		language-reference	JavaScript TypeScript DHTML	61bd0b28-6608-458c-9833-203d063081ec	7	mikejo5000	mikejo	ghogen

buffer Property (Float64Array)

Read-only. Gets the ArrayBuffer that is referenced by this array.

Syntax

var arrayBuffer = float64Array.buffer;  

Example

The following example shows how to get the ArrayBuffer of the array.

var req = new XMLHttpRequest();  
    req.open('GET', "http://www.example.com");  
    req.responseType = "arraybuffer";  
    req.send();  
  
    req.onreadystatechange = function () {  
        if (req.readyState === 4) {  
            var buffer = req.response;  
            var dataView = new DataView(buffer);  
            var floatArr = new Float64Array(buffer.byteLength / 8);  
            alert(floatArr.buffer.byteLength);  
        }  
    }  
  

Requirements

[!INCLUDEjsv10]