title: How to add commas in a Input Number field?
body: <p>Simple question, but is getting me some problems.</p>
  
  <p>I have a <code>&lt;input type='number'&gt;</code> and I want to show the input data with commas.For example, if the user types 1500, the field must show 1,500.</p>
  
  <pre><code>&lt;input type="number" name="valuation_stocks" ng-model="valuation.estimated_stocks"&gt;
  </code></pre>