What is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, like here: https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills
So here we're collecting all the shims, fallbacks, and polyfills in order to implant HTML5 functionality in browsers that don't natively support them.
I actually don't understood what is the meaning of polyfills.
And what is the difference between shims, fallbacks, and polyfills?