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<div class="demo-card-wide mdl-card mdl-shadow--4dp">
  <div class="mdl-card__title">
    <div style="width: 100%;">
    <div id="progress" class="mdl-progress mdl-js-progress"></div>
  <div class="mdl-card__supporting-text">
    Click buttons to finish tasks and progress.
  <div class="mdl-card__actions mdl-card--border">
    <button class="mdl-button mdl-js-button mdl-button--colored mdl-js-ripple-effect" type="button" onclick="foo.set['bt1clicked']()">Task 1</button>
    <button class="mdl-button mdl-js-button mdl-button--colored mdl-js-ripple-effect" type="button" onclick="foo.set['bt2clicked']()">Task 2</button>
    <button class="mdl-button mdl-js-button mdl-button--colored mdl-js-ripple-effect" type="button" onclick="foo.set['bt3clicked']()">Task 3</button>

<div id="toast-snackbar" class="mdl-js-snackbar mdl-snackbar">
  <div class="mdl-snackbar__text"></div>
  <button class="mdl-snackbar__action" type="button"></button>


                .demo-card-wide {
  margin: 30px auto;


                // The first argument, the condition array, is simply everything you want on the checklist. Use anything you think best describes the task.
var condition = [
// The second argument is the callback function when all the conditions are met. It is called without any arguments.
var executeWhenConditionMet = function () {
  document.getElementById('toast-snackbar').MaterialSnackbar.showSnackbar({message: 'All buttons are clicked!'});
// The optional third argument is a callback function when there is a progress update (when another thing gets checked off from the list). It is called with only one argument which is the percentage of total progress ranging from 0 to 1.
var executeWhenProgressUpdate = function (percent) {
  document.getElementById('progress').MaterialProgress.setProgress(percent * 100);
// Calling the function SETRACE returns a handle used to check off tasks.
// Use handle.set[conditionName]() to flag one task as completed. = SETRACE(condition, executeWhenConditionMet, executeWhenProgressUpdate);