Understand Javascript Prototype chain - Prototypal Inheritance

preludeEver since I was introduced to the programming language javascript, Its prototype chain has always bothered me,I read a lot of blog, posts about this topic, most of them say the same thing, Put a picture like this in the article, and told readers to remember : 1. People.prototype.constructor == Person 2. PeopleLeo.__proto__ == Person.prototype i..