$ npm install @autots/dragable -S

$ yarn add @autots/dragable

<section id="demo1">
  <div class="child1">drag area</div>
</section>

<section id="limit-container">
  <div id="demo2">
    <div class="child2">drag area1</div>
    <div class="child2">drag area2</div>
    <div class="child2">drag area3</div>
  </div>
</section>

import Dragable from '@autots/dragable';

// 1. The simplest way
new Dragable('#demo1');

// 2. use config
new Dragable('#demo2', {
  container: '#limit-container', // default is window
  dragArea: '.child2',
  zIndex: 100, // default is 999;
})

<script src="dist/dragable.min.js"></script>

<script>
  var dragableDemo = new AutoTs.Dragable(el, config);
</script>