title: How to convert text to uppercase while typing in input field using angular js
body: <p>I know that is posible with jquery but I dont know how to do that with angular js, please any sugestion?</p>
  
  <pre><code>       function mayuscula(campo){
              $(campo).keyup(function() {
                             $(this).val($(this).val().toUpperCase());
              });
         }
  </code></pre>