examples/jspsych-html-keyboard-response.html

<!DOCTYPE html>
<html>
<head>
  <script src="../jspsych.js"></script>
  <script src="../plugins/jspsych-html-keyboard-response.js"></script>
  <link rel="stylesheet" href="../css/jspsych.css"></link>
</head>
<body></body>
<script>
  var trial_1 = {
    type: 'html-keyboard-response',
    stimulus: '<p style="color: red; font-size: 48px; font-weight: bold;">GREEN</p>',
    choices: ['y', 'n'],
    prompt: '<p>Does the color match the word? (Y or N)</p>'
  }

  var trial_2 = {
    type: 'html-keyboard-response',
    stimulus: '<p style="color: red; font-size: 48px; font-weight: bold;">RED</p>',
    choices: ['y', 'n'],
    trial_duration: 5000,
    prompt: '<p>Does the color match the word? (Y or N; 5s time limit)</p>'
  }

  var trial_3 = {
    type: 'html-keyboard-response',
    stimulus: '<p style="color: orange; font-size: 48px; font-weight: bold;">BLUE</p>',
    choices: jsPsych.NO_KEYS,
    trial_duration: 2000,
    prompt: '<p>No response allowed. 2s wait.</p>'
  }

  jsPsych.init({
    timeline: [trial_1, trial_2, trial_3],
    on_finish: function() {
      jsPsych.data.displayData();
    },
    default_iti: 250
  });
</script>

</html>