March 2018
Intermediate to advanced
592 pages
13h 44m
English
Content preview from Advanced Node.js Development
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Broadcasting events
Now that we have our custom event listeners and emitters in place, it's time to actually wire up the message system so when one user sends a message to the server, it actually gets sent to every connected user. If I have two tabs open and I emit a createMessage event from one tab, I should see the message arrive in the second one.
To test things locally, we'll be using separate tabs, but the same would work on Heroku with separate browsers on separate networks; as long as everyone has the same URL on their browser, they will be connected, regardless of which machine they're on. Now, for localhost, we obviously don't have the right privilege, but as we deploy to Heroku, which we will be doing in this section, we'll be able ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.