When we talk about instruments, sometimes the guitar gets all the credit. Of course guitars are great, but an electric guitar on its ownâeven a hollow-bodyâis only so loud. For giving one of the world's favorite instruments its voice, guitar amplifiers deserve a little love too.
This book treats JavaScript as a serious object-oriented language, showing you how to build robust, maintainable, and powerful libraries and applications. Along the way, we cover many of the recent innovations such as AJAX, JSON, and interesting design and coding patterns.
Rest all are Objects. Although Number, String and Booleans are object-like in the sense that they have methods. But they are immutable. Objects are mutable in any language. Objects in JavaScript are mutable-keyed collections. In JavaScript arrays are objects, functions are objects, regular expressions are object.