Talking head
MountainWest JavaScript 2015

This presentation, by Jonathan Martin, is licensed under a Creative Commons Attribution ShareAlike 3.0

Closures are undoubtedly the most powerful feature JavaScript inherited from its Lisp forbears. But would JS be so powerful… without them? We’ll reimplement closures entirely from scratch without the convenience of native local variables or function parameters. Entirely in JavaScript. Using prototypal inheritance, some clever hat-tips from graphics programming, amnesic function bodies, and this one weird global variable.

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