ractive_tutorial.html

<!doctype html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <title>to-do list</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <script src="https://cdn.jsdelivr.net/npm/ractive"></script>
</head>

<body>

  <div id="target"></div>

  <script id="template" type="text/ractive">
  <b>list</b>
  {{#if edit_mode==false}}
    {{#each todos}}
      <div>* {{this}}</div>
    {{/each}}
  {{else}}
    {{#each todos: index}}
    <div>
      {{#if editing!=index}}
        {{#if reorder_mode==false}}
          <button onclick="edit({{index}})">{{this}}</button>
        {{else}}
          <button onclick="up({{index}})">▲</button>
          <button onclick="down({{index}})">▼</button>
          {{this}}
        {{/if}}
      {{else}}
        <form onsubmit="save({{index}}); return false;">    
          <input value="{{item_edit}}" id="item_edit" autocomplete="off" placeholder="item">
        </form>
      {{/if}}
    </div>
    {{/each}}
    {{#if editing==-1 && reorder_mode==false}}
      <form onsubmit="add(); return false;">
        <input value='{{item}}' id="item_add" autocomplete="off" placeholder="add item">
      </form>
    {{/if}}
    {{#if todos.length>1}}
      <div><button onclick="toggle_reorder_mode()">{{#if reorder_mode}}back{{else}}reorder{{/if}}</button></div>
    {{/if}}
  {{/if}}
  {{#if !reorder_mode}}<div><button onclick="toggle_edit_mode()">{{#if edit_mode}}back{{else}}edit{{/if}}</button></div>{{/if}}
  </script>

  <script src="ractive_tutorial.js"></script>

  <script src="show-source.js" data-href="ractive_tutorial.html"></script>
  <script src="show-source.js" data-href="ractive_tutorial.js"></script>
</body>

</html>