title: Unexpected template string when Creating Object
body: <p>I create a Object like below,</p>
  
  <pre><code>var s = {
    `1234`:`string`
  }
  </code></pre>
  
  <p>But, It will throw the below Error,</p>
  
  <pre><code>Uncaught SyntaxError: Unexpected template string
  </code></pre>
  
  <p>How Can I create Such Elements?</p>