web-experiments/bad-javascript.html at master · alanhogan/web-experiments · GitHub

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<!DOCTYPE html>
<html>
<head>
	<meta charset=utf-8 />
	<title>Bad Javascript!</title>

</head>
<body>

	<h1>Bad Javascript!</h1>

	<h3>CoffeeScript source</h3>
<pre>
# jQuery references we'll use more than once
$body = $('body')

# Set the state of the interface by adding themer-state-XX as a class on body, and clearing others.
set_state = (state) ->
  window.alert('Requested state: '+state)
  # States:
  #
  # 00. Prompting for input
  # 01. (Reserved for re-theming)
  # 10. Beginning theme process
  # 20. Theme actively loading
  # 30. Initial preview loaded
  # 40. Element selected
  # 50. Content replaced with dummy content
  # 60. Saving
  states = '00 01 10 20 30 40 50 60'.split(' ')
  as_class = (str) -> 'themer-state-'+str
  state_classes = (as_class(state) for state in states)
  $body.removeClass(state_classes.join ' ') # can pass as one space-separated list
  $body.addClass as_class(state)
  window.alert('Set state: '+state+' (should be the same as before)')

# Initial page load, so
set_state '00'</pre>

<h3>Output JavaScript</h3>
<pre>var $body, set_state;
$body = $('body');
set_state = function(state) {
  var as_class, state, state_classes, states;
  window.alert('Requested state: ' + state);
  states = '00 01 10 20 30 40 50 60'.split(' ');
  as_class = function(str) {
    return 'themer-state-' + str;
  };
  state_classes = (function() {
    var _i, _len, _results;
    _results = [];
    for (_i = 0, _len = states.length; _i &lt; _len; _i++) {
      state = states[_i];
      _results.push(as_class(state));
    }
    return _results;
  })();
  $body.removeClass(state_classes.join(' '));
  $body.addClass(as_class(state));
  return window.alert('Set state: ' + state + ' (should be the same as before)');
};
set_state('00');</pre>

<h3>Run…</h3>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<script type="text/javascript">function test_it(){
  var $body, set_state;
  $body = $('body');
  set_state = function(state) {
    var as_class, state, state_classes, states;
    window.alert('Requested state: ' + state);
    states = '00 01 10 20 30 40 50 60'.split(' ');
    as_class = function(str) {
      return 'themer-state-' + str;
    };
    state_classes = (function() {
      var _i, _len, _results;
      _results = [];
      for (_i = 0, _len = states.length; _i < _len; _i++) {
        state = states[_i];
        _results.push(as_class(state));
      }
      return _results;
    })();
    $body.removeClass(state_classes.join(' '));
    $body.addClass(as_class(state));
    return window.alert('Set state: ' + state + ' (should be the same as before)');
  };
  set_state('00');
}</script>
<button name="test-it" value="test-it" onclick="test_it();">
	Test It
</button>


<h3>JavaScript</h3>
<pre>var $body, set_state;
$body = $('body');
set_state = function(state) {
  var as_class, state, state_classes, states;
  window.alert('Requested state: ' + state);
  states = '00 01 10 20 30 40 50 60'.split(' ');
  as_class = function(str) {
    return 'themer-state-' + str;
  };
  state_classes = (function() {
    var _i, _len, _results, state;
    _results = [];
    for (_i = 0, _len = states.length; _i &lt; _len; _i++) {
      state = states[_i];
      _results.push(as_class(state));
    }
    return _results;
  })();
  $body.removeClass(state_classes.join(' '));
  $body.addClass(as_class(state));
  return window.alert('Set state: ' + state + ' (should be the same as before)');
};
set_state('00');</pre>

<h3>Run…</h3>
<script type="text/javascript">function test_fixed(){
  var $body, set_state;
  $body = $('body');
  set_state = function(state) {
    var as_class, state, state_classes, states;
    window.alert('Requested state: ' + state);
    states = '00 01 10 20 30 40 50 60'.split(' ');
    as_class = function(str) {
      return 'themer-state-' + str;
    };
    state_classes = (function() {
      var _i, _len, _results, state;
      _results = [];
      for (_i = 0, _len = states.length; _i < _len; _i++) {
        state = states[_i];
        _results.push(as_class(state));
      }
      return _results;
    })();
    $body.removeClass(state_classes.join(' '));
    $body.addClass(as_class(state));
    return window.alert('Set state: ' + state + ' (should be the same as before)');
  };
  set_state('00');
}</script>
<button name="test-fixed" value="test-fixed" onclick="test_fixed();">
	Test Fixed Version
</button>


</body>
</html>