The next big things

One of the things that make front-end web development interesting, is that things change rapidly. There is always something new to learn and the web community is always figuring out better, faster, and more effective ways of solving problems.

For example, three years before writing this edition of the book responsive images (srcset and the picture element that are detailed in Chapter 3, Fluid Layouts and Responsive Images) simply didn't exist. Back then, we had to use clever third party workarounds to serve up more appropriate images to different viewport sizes. Now that common need has been rationalized into a W3C standard we can all now use and enjoy.

Similarly, not long ago, Flexbox was just a twinkle in a specification writer's eyes. Even when the specification evolved it was still difficult to implement until Andrey Sitnik and those clever folks at Evil Martians (https://evilmartians.com/) created Autoprefixer and we are subsequently able to use it cross-browser with...