index.js
function (opt) {
    var cap = new Captcha(opt);
    cap.use(drawBackground);
    cap.use(drawLines);
    cap.use(drawText);
    cap.use(drawLines);
    return cap;
  }
function (opt) {
    var cap = new Captcha(opt);
    cap.use(drawBackground);
    cap.use(drawLines);
    cap.use(drawText);
    cap.use(drawLines);
    return cap;
  }
function ( opt ) { var cap = new Captcha ( opt ) ; cap . use ( drawBackground ) ; cap . use ( drawLines ) ; cap . use ( drawText ) ; cap . use ( drawLines ) ; return cap ; }
use default settings
use default settings