In my stackoverflow account .Is not showing any option in the description box from today

[![enter image description here][1]][1]

And  reputation notification icon and message notification is not working .Its not showing anything . Notification window not opening.only on my stackoverflow

*Still yesterday its working good .Its append only today*

[![enter image description here][2]][2]

And also the `runnable was missing` .See the image, first one was missing run button

[![enter image description here][3]][3]

**What append?**

> If i click the icon only `#` added with end of the url

 

**Details**

 - Version 59.0.3071.109 (Official Build) (64-bit)

**Error**

    full.en.js?v=4927e96fa177:2 Uncaught SyntaxError: Invalid or unexpected token


Any one help me .i could not anything in my stackoverflow page


  [1]: https://i.sstatic.net/QHuol.png
  [2]: https://i.sstatic.net/zi6MO.png
  [3]: https://i.sstatic.net/GqbtM.png