I would agree with Henrik not to develop SPAs without a framework. I try to be open-minded about different approaches to applications, but SPAs without a framework is nuts.
It's too early to tell how long popular JavaScript frameworks for SPA will last. Most of them are pretty new. Some of them will never get very popular, and so won't last very long at all.
Angular 1 was released in 2009. That's been 6 years ago--already more than 5 years. The Angular team at Google has promised to keep enhancing Angular 1 with future releases until a large majority of Angular 1 developers switch to Angular 2. So the Angular 1 framework is likely to have a 7-10 year lifespan or longer. And two things will probably extend Angular 1 in some shops even longer than that:
1. Angular 1 is stable. You can keep using Angular 1 even after Angular 2 becomes the more popular option.
2. There is now an incremental migration path from Angular 1 to Angular 2. Some shops may take a *long* time to finish the migration.
Given that many of Google's web applications are SPAs, and that Google invented and uses Angular, I think Angular is going to be around a while.
Thanks,
Kelly
-----Original Message-----
From: WEB400 [mailto:web400-bounces@xxxxxxxxxxxx] On Behalf Of Nathan Andelin
Sent: Saturday, May 23, 2015 11:38 AM
To: Web Enabling the IBM i (AS/400 and iSeries)
Subject: Re: [WEB400] Single Page Applications
Plus, the idea that web applications have a maximum lifespan of 5 years is simply incorrect.
It's probably more correct to say that the average lifespan of a web application framework is 6-12 months; the ones that make it to w3schools; maybe 5 years ;-)
Henrik suggests not trying SPAs "at home", which I believe means USE A FRAMEWORK! But the longevity of "frameworks" comes to mind.
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