title: angular cli ng serve -o giving exception in browser "Uncaught syntax error: Use of const in strict mode"
body: <p>i have installed typescript and angular cli latest versions. I did ng new and ng build for new application. After that when i ran "ng serve -o" app is loading in browser but not with the content. When i went to developer tools, it is showing me error as "Uncaught syntax error: Use of const in strict mode". Below is the screenshot.</p>
  
  <p><a href="https://i.stack.imgur.com/Ju7kS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Ju7kS.png" alt="enter image description here"></a></p>