vue-cron-editor-bootstrap/dist/demo.html

<meta charset="utf-8">
<title>vueCronEditorBootstrap demo</title>
<script src="https://unpkg.com/vue"></script>
<script src="./vueCronEditorBootstrap.umd.js"></script>

<link rel="stylesheet" href="./vueCronEditorBootstrap.css">


<div id="app">
  <demo></demo>
</div>

<script>
new Vue({
  components: {
    demo: vueCronEditorBootstrap
  }
}).$mount('#app')
</script>