clear cart shopify

1<a href="/cart/clear" class="btn clear-cart">Empty Cart</a>
2
3<script>
4$(function() {
5  $('.clear-cart').on('click',function(e){
6    e.preventDefault();
7    $.ajax({
8      type: "POST",
9      url: '/cart/clear.js',
10      success: function(){
11        alert('You cleared the cart!');
12      },
13      dataType: 'json'
14    });
15  })
16});
17</script>