fox-squirrels-2013/this-closures-and-iife

The this Keyword, Closures, and IIFE in JavaScript

This lecture covers a bit of basic-to-intermediate JavaScript knowledge. It was created and given by Jeffrey Wescott to the Dev Bootcamp Fox Squirrels 2013 cohort during Phase 4. The screenflow is here.

The 'this' Keyword

• named arguments
• unnamed arguments
• this
• call
• apply
• override scope
• bind

Closures

• first-class functions
• nested functions
• scope
• free variables
• closures: functions that retain reference to free variables
• See: http://skilldrick.co.uk/2011/04/closures-explained-with-javascript/

IIFE (immediately-invoked function expressions)

• a.k.a., self-executing anonymous function
• module pattern
• See: http://benalman.com/news/2010/11/immediately-invoked-function-expression/
• See: http://www.adequatelygood.com/JavaScript-Module-Pattern-In-Depth.html