Try through this link: http://yz7720.itp.io/livechat/
Everyone has this moment when they desperately want someone else's help. When you enter the name of your wanted super hero, the below red warning box will show that he/she is not available. So when multiple people on this chat at the same time, they can see other people's super hero names shown in the red box as well. None of these heroes are available. Sorry... You are your own super hero! Trust yourself!!
The Javascript and HTML code is as a bit confusing at the beginning because the socket got me confused, but eventually I worked out somehow as per below:
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