title: Object.assign() change order?
body: <p>Order.assign() change object order.
  I pas </p>
  
  <pre><code>{val: 1, ts: 2}
  </code></pre>
  
  <p>I get </p>
  
  <pre><code>{ts: 2, val: 1}
  </code></pre>
  
  <p>In my app all tied to the keys, and key order is important. 
  What do&amp; Help..</p>