Do you know any video tutorials focused purely on Closures in JavaScript?

I am having a problem to really get the point when it comes to 'closures' in JavaS开发者_开发知识库cript.

Do you know any video tutorials focused purely on defining closures in JavaScript with simple and clear examples?

Thanks!

Have you tried:

Stuart Langridge: Secrets of JavaScript Closures: http://vimeo.com/1967261

Not exactly for JavaScript and closures, but for functional programming if you have problems to accept the concept of functions as values. A basic introduction:

http://academicearth.org/lectures/functional-programming-i