1. The core library is completely event-based and most of the third-party libraries are event-based. Not true for Python, Ruby, etc. 2. JavaScript has grown in

1. The core library is completely event-based and most of the third-party libraries are event-based. Not true for Python, Ruby, etc. 2. JavaScript has grown in an event-based environment (browsers). Any serious JS developer is already familiar with event-based programming because of it. It's debatable whether JS syntax is very event friendly, however (CoffeeScript has made an attempt at fixing it).