5 ms·

cgi-bin didn’t give you the ability to update a chat page across several different windows in near real-time.

by jshen 6y ago

naikrovek 6y ago
It did if you used XMLHttpRequest.
- jshen 6y ago
  If you type a chat message in your browser, how does it automatically show up in my browser with XMLHttpRequest?
  - icedchai 6y ago
    In old school chat rooms, this was usually done by polling for new messages every X seconds, or doing a refresh / reload of an IFrame containing the chat.
    - jshen 6y ago
      I know, I wrote many of those, it’s a much worse solution than this.
  - fzzzy 6y ago
    Long Polling is how we used to do it. The web page opens a request to the server but the server does not reply. Once the event happens on the server, the server replies to the old request and the client opens a new request.
    - jshen 6y ago
      Yup, this is much better than that, and nicely integrated for you.
  - fzzzy 6y ago
    I think in Netscape 4 you could also make a request in an iframe which the server responded to with Content-Type: application/javascript and Transfer-Encoding: chunked. Then every time the server got an event it would write one chunk of javascript, which the client would execute immediately. This script could then call a callback in the parent frame.
webmaven 6y ago
> cgi-bin didn’t give you the ability to update a chat page across several different windows in near real-time. Servers could maintain an open connection and stream new data to the browser.
- jshen 6y ago
  That was a much worse solution, and even worse with cgi-bin.
  - webmaven 6y ago
    Sometimes worse is better.
forgotmypw5 6y ago
in no way elegant, but yes, with js, it's possible with netscape 3 and up, possibly with 2. html, http, js, css are pretty thorough in their design, and it shows. all the features described here are possible without any frameworks, this is merely a much easier way to build it than from scratch.
- jshen 6y ago
  Yes, but I was replying to someone who said that we got all of this with cgi-bin. That’s like saying, “I can code a modern app in assembly, therefore there’s been no progress here”.

cgi-bin didn’t give you the ability to update a chat page across several different windows in near real-time.

by jshen 6y ago

cgi-bin didn’t give you the ability to update a chat page across several different windows in near real-time.

naikrovek 6y ago

It did if you used XMLHttpRequest.

jshen 6y ago
If you type a chat message in your browser, how does it automatically show up in my browser with XMLHttpRequest?
- icedchai 6y ago
  In old school chat rooms, this was usually done by polling for new messages every X seconds, or doing a refresh / reload of an IFrame containing the chat.
  - jshen 6y ago
    I know, I wrote many of those, it’s a much worse solution than this.
- fzzzy 6y ago
  Long Polling is how we used to do it. The web page opens a request to the server but the server does not reply. Once the event happens on the server, the server replies to the old request and the client opens a new request.
  - jshen 6y ago
    Yup, this is much better than that, and nicely integrated for you.
- fzzzy 6y ago
  I think in Netscape 4 you could also make a request in an iframe which the server responded to with Content-Type: application/javascript and Transfer-Encoding: chunked. Then every time the server got an event it would write one chunk of javascript, which the client would execute immediately. This script could then call a callback in the parent frame.

webmaven 6y ago

> cgi-bin didn’t give you the ability to update a chat page across several different windows in near real-time. Servers could maintain an open connection and stream new data to the browser.

jshen 6y ago
That was a much worse solution, and even worse with cgi-bin.
- webmaven 6y ago
  Sometimes worse is better.

forgotmypw5 6y ago

in no way elegant, but yes, with js, it's possible with netscape 3 and up, possibly with 2. html, http, js, css are pretty thorough in their design, and it shows. all the features described here are possible without any frameworks, this is merely a much easier way to build it than from scratch.

jshen 6y ago
Yes, but I was replying to someone who said that we got all of this with cgi-bin. That’s like saying, “I can code a modern app in assembly, therefore there’s been no progress here”.