title: How to know that two javascript variable point to the same memory address
body: <p>Is there a way to know that 2 javascript variable point to the same memory address ?</p>
  
  <pre><code>var my_var = {
      id: 1,
      attribute: "myAttribute"
  }
  
  var copy = my_var;
  
  //someting like
  if(copy === my_var) return true;
  </code></pre>