Advanced javascript

This book is not about JavaScript design patterns or implementing an object-oriented paradigm with JavaScript code. It was not written to distinguish the good features of the JavaScript language from the bad. It is not meant to be a complete reference guide. It is not targeted at people new to programming or those completely new to JavaScript. Nor is this a cookbook of JavaScript recipes. Those books have been written.

Table of contents

• Introduction 
• Why JavaScript
• More code, less words 
• Color-coding Conventions 
• JavaScript Objects 
• Creating objects 
• JavaScript constructors construct and return object instances 
• The JavaScript native/built-in object constructors 
• Instantiating constructors using the new operator 
• The primitive values null, undefined, 'string', , true, and false are not objects 
• How primitive values are stored/copied in JavaScript 
• Primitive values are equal by value 
• The string, number, and boolean primitive values act like objects when used like objects 
• Complex (aka composite) values 
• How complex values are stored/copied in JavaScript 
• Complex objects are equal by reference 
• Complex objects have dynamic properties 
• The typeof operator used on primitive and complex values 
• Dynamic Properties allow for mutable objects 
• All constructor instances have constructor properties that point to their constructor function 
• Verify that an object is an instance of a particular constructor function 
• An instance created from a constructor can have its own independent properties (aka instance properties) 
• The semantics between 'JavaScript objects' vs 'Object() objects' 
• Chapter - Working with Objects and Properties 
• Complex objects can contain most of the JavaScript values as properties 
• Encapsulating complex objects in a programmatically beneficial way 
• Getting/setting/updating an object's properties using dot notation or bracket notation 
• Deleting object properties 
• How references to object properties are resolved 
• Using has Own Property, verify that an object property is not from the prototype chain 
• Checking if an object contains a given property using the in operator 
• Enumerate (loop over) an object’s properties using the for in loop 
• Host objects vs native objects 
• Chapter - Object() 
• Conceptual overview of using Object() objects 
• Chapter - Function() 
• Conceptual overview of using Function() objects 
• Function() parameters 
• Function() properties and methods 
• Function object instance properties and methods 
• Functions always return a value 
• Functions are first-class citizens (not just syntax, but values) 
• Passing parameters to a function 
• The argument scallee property 
• Redefining function parameters 
• Anonymous functions 
• Self-invoking function expression 
• Self-invoking anonymous function statements 
• Functions can be nested 
• Invoking function statements before they are defined (aka function hoisting) 
• A function can call itself (aka recursion) 
• Conceptual overview of the prototype chain 
• Why care about the prototype property? 
• Prototype is standard on all Function() instances 
• The default prototype property is an Object() object 
• Last stop in the prototype chain is Object prototype 
• The prototype chain returns the first property match it finds in the chain 

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