Theme Demo function findSequence(goal) { function find(start, history) { if (start == goal) return history; else if (start > goal) return null; else return find(start + 5, "(" + history + " + 5)") || find(start * 3, "(" + history + " * 3)"); } return find(1, "1"); } Select a theme: default 3024-day 3024-night abbott abcdef ambiance ayu-dark ayu-mirage base16-dark base16-light bespin blackboard cobalt colorforth darcula dracula duotone-dark duotone-light eclipse elegant erlang-dark gruvbox-dark hopscotch icecoder idea isotope juejin lesser-dark liquibyte lucario material material-darker material-palenight material-ocean mbo mdn-like midnight monokai moxer neat neo night nord oceanic-next panda-syntax paraiso-dark paraiso-light pastel-on-dark railscasts rubyblue seti shadowfox solarized dark solarized light the-matrix tomorrow-night-bright tomorrow-night-eighties ttcn twilight vibrant-ink xq-dark xq-light yeti yonce zenburn