function mapArrayBufferViews(ary) {
    return ary.map(function(chunk) {
      if (chunk.buffer instanceof ArrayBuffer) {
        var buf = chunk.buffer;

        // if this is a subarray, make a copy so we only
        // include the subarray region from the underlying buffer
        if (chunk.byteLength !== buf.byteLength) {
          var copy = new Uint8Array(chunk.byteLength);
          copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
          buf = copy.buffer;
        }

        return buf;
      }

      return chunk;
    });
  }
function mapArrayBufferViews(ary) {
    return ary.map(function(chunk) {
      if (chunk.buffer instanceof ArrayBuffer) {
        var buf = chunk.buffer;

        
        
        if (chunk.byteLength !== buf.byteLength) {
          var copy = new Uint8Array(chunk.byteLength);
          copy.set(new Uint8Array(buf, chunk.byteOffset, chunk.byteLength));
          buf = copy.buffer;
        }

        return buf;
      }

      return chunk;
    });
  }
function mapArrayBufferViews ( ary ) { return ary . map ( function ( chunk ) { if ( chunk . buffer instanceof ArrayBuffer ) { var buf = chunk . buffer ; // if this is a subarray, make a copy so we only // include the subarray region from the underlying buffer if ( chunk . byteLength !== buf . byteLength ) { var copy = new Uint8Array ( chunk . byteLength ) ; copy . set ( new Uint8Array ( buf , chunk . byteOffset , chunk . byteLength ) ) ; buf = copy . buffer ; } return buf ; } return chunk ; } ) ; }
Helper function that maps ArrayBufferViews to ArrayBuffers
Used by BlobBuilder constructor and old browsers that didn't
support it in the Blob constructor.
Helper function that maps ArrayBufferViews to ArrayBuffers Used by BlobBuilder constructor and old browsers that didn t support it in the Blob constructor .