rentan

re = new RegExp('a(.)','g');
a = 'akgatranavayakhahjajatdaa';
//b = re.exec(a);
//for(i in b)alert(????);

var results = [ ];
a.replace (re, function (s, p1) {
  results.push ([ s, p1 ]);
  return '';
});

rentan

// ==UserScript==
// @name ngnl_janken_quick.user.js
// @description ノーゲームノーライフじゃんけんゲーム 高速化
// @version 20140610.0
// @namespace http://rentan.org/
// @author rentan
// @grant none
// @include http://www.ngnl-janken.com/
// ==/UserScript==

rentan

var customMatchers = {
  toStartWith: function (util, customEqualityTesters) {
    return {
      compare: function (actual, expected) {
        return { pass: actual.slice (0, expected.length) === expected };
      }
    };
  }
};