Simple reddit messages search. Idea from /r/SomebodyMakeThis, http://redd.it/169agn.

messages.js

(function ($) {
  search(prompt("Enter Search Term:"));

  function search(term, after) {
    $.getJSON("/message/messages.json", {after: after}, function (res) {
      var messages = res.data.children
        , stop = false;
      for (var i = 0, l = messages.length; i < l; i++) {
        var message = messages[i];
        if (message_a_match(message, term)) {
          var stop = confirm_with_user(message, term);
          if(stop){
            redirect_to(message);
            break;
          }
        }
      }
      if (!stop) {
        if(res.data.after){
          search(term, res.data.after);
        }else{
          alert("Reached the end of messages.");
        }
      }
    });
  }

  function redirect_to(message){
    window.location = "/message/messages/" + message.data.id;
  }

  function confirm_with_user(message, term){
    var data = message.data
      , subject = data.subject
      , body = data.body;
    return confirm([
      "Found a message containing your search term: " + term,
      "Is this what you are looking for?",
      "",
      "Subject: " + subject,
      "Body:",
      body
    ].join("\n"));
  }

  function message_a_match(message, term){
    var subject = message.data.subject.toLowerCase()
      , body = message.data.body.toLowerCase()
      , search_term = term.toLowerCase();
    return ~subject.indexOf(search_term) || ~body.indexOf(search_term);
  }
})(jQuery);