1 min


Created on Feb 26-27, 2014.

On Feb 28, 2014, this code was incorporated into the ToledoTalk.com (TT) message board at: http://toledotalk.com/chat.

This barebones app could be used for simple chatting or live-blogging by TT users.

Related post: Simple chat web app for Toledo Talk

Features (limitations)

A logged-in user sees a text-input field at the top of the page, which is used to post a message.

A post is limited to 300 characters with no formatting. It uses client-side JavaScript to post and display messages. The most recent 150 posts are displayed in reverse order, youngest to oldest.

JavaScript refreshes the page every 20 seconds. A logged-in user can refresh sooner by hitting the return key or tapping the post button. A user who is not logged-in can refresh sooner by tapping the refresh button.

The client-side JavaScript sends a POST request to the server. The server-side code sends only JSON data to the client-side JavaScript. This applies for the list of messages and for errors.

Testing as of Feb 28, 2014

  • Chrome - works
  • Firefox - works
  • Opera - works
  • It works in Opera Mini on an old flip phone, but the JavaScript code for the interval/auto refresh does not work. Have to click the post button to refresh page.
  • IE v8 - works when posting by tapping the post button, but nothing is posted when hitting the return key.
  • HP tablet with WebOS - works fine when tapping the post button, but when hitting the return key on the tablet screen, it double-posts.
  • iphone ?
  • Samsung S4 ?


By JR - 286 words
created: - updated:
source - versions

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