title: how can i remove __ob__: Observer from my array list?
body: <p>i have an array </p>
  
  <pre><code>data = [38589, 3, __ob__: Observer];
  </code></pre>
  
  <p>i want to send a put request API with the body sending this array. and got a 400 error?
  is it this <code>__ob__: Observer</code> thing is being a problem for me to sending this data? if it's the one that affect the error, can i know how to remove it from my array?</p>