mdict-parser.js
function(len) {
          return conseq(newUint8Array(buf, offset, len), this.forward(len === UNDEFINED ? buf.length - offset : len));
        }
function(len) {
          return conseq(newUint8Array(buf, offset, len), this.forward(len === UNDEFINED ? buf.length - offset : len));
        }
Read raw data as Uint8Array from current offset with specified length in bytes