title: What methods do you know for the geting data type in the javascript?
body: <p>For example I have a some code:</p>
  
  <pre><code>({}).toString.call(new Date()); // "[object Date]"
  </code></pre>
  
  <p>anybody knows, another methods how to check type?
  (I wanna to receive only <code>date</code> type without object)</p>