What is the difference between a shim and a polyfill?
What is the difference between a shim and a polyfill? In the JavaScript world, one frequently encounters the words shim and polyfill. What are those things and what is the difference between them? Shim. A shim is a library that brings a new API to an older environment, using only the means of that environment. Polyfill. In October 2010, Remy Sharp blogged about the term “polyfill” [via Rick Waldro
What is the difference between a shim and a polyfill?
Both seem to be used in web development circles, see e.g. HTML5 Cross Browser Polyfills, which says: So here we're collecting all the shims, fallbacks, and polyfills... Or, there's the es5-shim project. In my current project we're using a number of these, and I want to stick them all in the same directory. So, what should I call this directory---shims, or polyfills?
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JS Drip #21: An Introduction to Writing Your Own JavaScript Compatibility Shims
GitHub - iObeya/observe-shim: A shim for the Object.observe Harmony Proposal (see : http://wiki.ecmascript.org/doku.php?id=harmony:observe).
