May 2018
Intermediate to advanced
512 pages
11h 3m
English
Content preview from Angular 6 for Enterprise-Ready Web Applications
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Caching with cookie and localStorage
We must be able to cache the authentication status of the logged in user. Otherwise, with every page refresh, the user will have go through the login routine. We need to update AuthService so that it persists the auth status.
There are three main ways to store data:
- cookie
- localStorage
- sessionStorage
Cookies should not be used to store secure data, because they can be sniffed or stolen by bad actors. In addition, cookies can store 4 KB of data and can be set to expire.
localStorage and sessionStorage are similar to each other. They are protected and isolated browser-side stores that allow for storing larger amounts of data for your application. You can't set an expiration date-time on either stores. ...
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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.