title: How to make a refresh in browser with gulp
body: <p>I have an app is in iis, it is an app made in angularjs and webapi C # 2.0, I would like to create a task that updates the browser as soon as I save any js file.</p>
  
  <p>Version of gulp: 3.9.1</p>
  
  <pre><code>gulp.task('livereload', function () {
      gulp.watch(config.files.js);
  });
  </code></pre>