title: TypeError: Product.ConfigurableSwatches is not a constructor in Magento 1.9.3
body: <p>I'm using Magento 1.9.3.1 and facing below error on configurable product detail page</p>
  <blockquote>
  <p>TypeError: Product.ConfigurableSwatches is not a constructor</p>
  </blockquote>
  <p>Why am I getting this error and how can I fix it?</p>