Kyle's free and open source You Don't Know series https://github.com/getify/You-Dont-Know-JS are amazing resources for Javascript developers.
Looks like some autocorrect happened to your link:
https://github.com/getify/You-Dont-Know-JS
Kyle's free and open source You Don't Know series https://github.com/getify/You-Dont-Know-JS are amazing resources for Javascript developers.