The Milk Chocolate Peanut

Aaron Gustafson wrote back in 2008:

Getting into the progressive enhancement mindset is quite simple: just think from the content out. The content forms the solid base on which you layer your style and interactivity. If you’re a candy fan, think of it as a Peanut M&M:

The Chocolatey Layers of Progressive Enhancement

JavaScript first websites have the peanut inside out!