Incremental enhancement, elegant degradation, and progressive degradation

Incremental enhancement, elegant degradation, and progressive degradation
Progressive enhancement (progressive enhancement): At the beginning, only the least features of the site are built, and then graceful degradation is constantly degraded for the append function of each Browser: the complete functions of the site are built at the beginning, then test and fix the vulnerability in the browser.

Progressive enhancement:
The "progressive enhancement" point of view is that the content itself should be concerned.
Graceful degradation: The idea of "graceful degradation" is that we should design websites for the most advanced and perfect browsers.

Difference: they are two ideas about the same thing ". Both "graceful degradation" and "progressive enhancement" focus on the performance of the same website in different browsers on different devices. The key difference lies in where they are concerned and how such attention affects the work process.

Reference: http://www.candoudou.com/archives/481https://github.com/yui/yui3/wiki/Graded-Browser-Support

What is progressive enhancement and graceful degradation?

There are two common policies: graceful degradation, which builds the complete functions of the site from the very beginning and then tests and fixes the browser), or progressive enhancement (progressive enhancement, at first, we only built the least features of the site, and then continuously added features to various browsers.

What is an elegant downgrade? Example

Greaceful downgrade?

It is not very clear about the specific scenario of the landlord, but the term Greaceful generally means that operations or behaviors will not adversely affect the outside world.

For example, the most typical Greaceful Restart

The meaning of graceful degradation can be inferred.