title: How do you write in JavaScript a empty key from JSON?
body: <p>Let's say you have the following JSON object</p>
  
  <pre><code>{"":"some text"}
  </code></pre>
  
  <p>How do you retrieve it in JavaScript? </p>
  
  <pre><code>json_in_var={"":"some text"}  
  alert(json_in_var.)
  </code></pre>
  
  <p>I'm perplexed on this one, any help welcome! </p>