byteLength

Summary

Read-only. The length of this array from the start of its ArrayBuffer, in bytes, as fixed at construction time.

Syntax

var arrayByteLength = int8Array.byteLength;

Examples

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 intArr = new Int8Array(buffer.byteLength);
             alert(intArr.byteLength);
         }
     }

Attributions

• Microsoft Developer Network: Article