(new Date()).toString("Y年m月d日 H時i分s秒bミリ")にした。
たぶんないとおもいます....
Date.prototype.toString = function(format){ var now = new Date(); year = (function (){ var y = now.getYear(); if(y < 2000){ y += 1900; }; return y; })(); month= (function (){ var m = now.getMonth()+1;if(m < 10){ m = "0" + m; }; return m; })(); day = (function (){ var d = now.getDate(); if(d < 10) { d = "0" + d; }; return d; })(); hour = (function (){ var h = now.getHours(); if(h < 10) { h = "0" + h; }; return h; })(); min = (function (){ var m = now.getMinutes();if(m < 10) { m = "0" + m; }; return m; })(); sec = (function (){ var s = now.getSeconds();if(s < 10) { s = "0" + s; }; return s; })(); mec = (function (){ var m = now.getTime() % 1000; return m; })(); if(format){ return format .replace(/Y/g,year) .replace(/m/g,month) .replace(/d/g,day) .replace(/H/g,hour) .replace(/i/g,min) .replace(/s/g,sec) .replace(/b/g,mec); }else{ return year + "年" + month + "月" + day + "日 " + hour + "時" + min + "分" + sec + "." + mec + "秒"; } };
うまく動くといいですね。