length-property-float64array.md

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length Property (Float64Array) | Microsoft Docs		01/18/2017	windows-client-threshold			devlang-javascript		language-reference	JavaScript TypeScript DHTML	d98fb51a-355e-4dd7-adad-1500b22343b0	7	mikejo5000	mikejo	ghogen

length Property (Float64Array)

The length of the array.

Syntax

var arrayLength = float64Array.length;  

Example

The following example shows how to get the length 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.length);  
        }  
    }  
  

Requirements

[!INCLUDEjsv10]