jsPsych/docs/demos/jspsych-call-function-demo3.html
2021-08-27 16:13:58 -04:00

65 lines
1.9 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.jsdelivr.net/gh/jspsych/jsPsych@6.3.1/jspsych.js"></script>
<script src="https://cdn.jsdelivr.net/gh/jspsych/jsPsych@6.3.1/plugins/jspsych-call-function.js"></script>
<script src="https://cdn.jsdelivr.net/gh/jspsych/jsPsych@6.3.1/plugins/jspsych-html-button-response.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/jspsych/jsPsych@6.3.1/css/jspsych.css">
<style>
.jspsych-btn {margin-bottom: 10px;}
</style>
</head>
<body></body>
<script>
var start = {
type: 'html-button-response',
stimulus: '',
choices: ['Run demo']
};
var show_data = {
type: 'html-button-response',
stimulus: function() {
var trial_data = jsPsych.data.getLastTrialData().values();
var trial_json = JSON.stringify(trial_data, null, 2);
return `<p style="margin-bottom:0px;"><strong>Trial data:</strong></p>
<pre style="margin-top:0px;text-align:left;">${trial_json}</pre>`;
},
choices: ['Repeat demo']
};
var trial = {
type: 'call-function',
async: true,
func: function(done){
// generate a delay between 1500 and 3000 milliseconds to simulate
// waiting for an event to finish after an unknown duration,
// then finish the trial
var rand_delay = (Math.floor(Math.random() * (3000 - 1500 + 1) + 1500));
jsPsych.pluginAPI.setTimeout(function() {
// end the trial and save the delay duration to the data
done(rand_delay.toString()+"ms");
}, rand_delay)
}
};
var trial_loop = {
timeline: [trial, show_data],
loop_function: function() {
return true;
}
};
if (typeof jsPsych !== "undefined") {
jsPsych.init({
timeline: [start, trial_loop]
});
} else {
document.body.innerHTML = '<div style="text-align:center; margin-top:50%; transform:translate(0,-50%);">You must be online to view the plugin demo.</div>';
}
</script>
</html>