JavaScript_Succinctly
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Table of Contents<br />
About the Author ......................................................................................................... 10<br />
Introduction ................................................................................................................. 11<br />
Preface ......................................................................................................................... 13<br />
More code, less words ............................................................................................... 13<br />
Exhaustive code and repetition .................................................................................. 13<br />
Color-coding conventions .......................................................................................... 13<br />
Code examples .......................................................................................................... 14<br />
Chapter 1: <strong>JavaScript</strong> Objects ................................................................................... 16<br />
Creating objects ......................................................................................................... 16<br />
<strong>JavaScript</strong> constructors create and return object instances ....................................... 21<br />
The native <strong>JavaScript</strong> object constructors ................................................................. 23<br />
User-defined/non-native object constructor functions ................................................ 24<br />
Instantiating constructors using the new operator ...................................................... 25<br />
Creating shorthand or literal values from constructors ............................................... 27<br />
Primitive (aka simple) values ..................................................................................... 28<br />
The primitive values null, undefined, "string", 10, true, and false are not<br />
objects ....................................................................................................................... 30<br />
How primitive values are stored/copied in <strong>JavaScript</strong> ................................................ 31<br />
Primitive values are equal by value ........................................................................... 32<br />
The string, number, and Boolean primitive values act like objects when used like<br />
objects ....................................................................................................................... 33<br />
Complex (aka composite) values ............................................................................... 34<br />
How complex values are stored/copied in <strong>JavaScript</strong> ................................................ 35<br />
Complex objects are equal by reference ................................................................... 36<br />
Complex objects have dynamic properties ................................................................ 37<br />
The typeof operator used on primitive and complex values ..................................... 37<br />
Dynamic properties allow for mutable objects ........................................................... 39<br />
All constructor instances have constructor properties that point to their constructor<br />
function ...................................................................................................................... 40<br />
Verify that an object is an instance of a particular constructor function ..................... 42<br />
An instance created from a constructor can have its own independent properties (aka<br />
instance properties) ................................................................................................... 43<br />
The semantics of "<strong>JavaScript</strong> objects" and "Object() objects" ................................ 44<br />
Chapter 2: Working with Objects and Properties ..................................................... 46<br />
Complex objects can contain most of the <strong>JavaScript</strong> values as properties ................ 46<br />
Encapsulating complex objects in a programmatically beneficial way ....................... 47<br />
Getting, setting, and updating an object's properties using dot notation or bracket<br />
notation ...................................................................................................................... 48<br />
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