title: How do I turn a javascript dictionary into an encoded url string?
body: <p>I'd like to get something like</p>
  
  <pre><code>?key=value?key=value
  </code></pre>
  
  <p>out of a js dictionary that is </p>
  
  <pre><code>{
      key:value,
      key:value
  }
  </code></pre>