Includes bibliographical references and index.

Online resource; title from PDF title page (John Wiley, viewed June 27, 2018).

Cover; Half-Title Page; Dedication; Title Page; Copyright Page; Contents; Introduction; I.1. Motivation; I.2. Organization of the book; I.3. The history of JavaScript; I.3.1. Analyzing this biography of JavaScript; I.4. To code without "var", nor "for", nor "new"; I.4.1. Comments; I.4.2. Deliberate bias of this book; I.4.3. Prerequisites; I.4.4. Some useful, easy, and free programming tools; I.5. Mechanisms and features of the script language; I.5.1. JavaScript is interpreted and run within an ecosystem; I.5.2. What does a JavaScript engine do?

I.5.3. Variables and instructions: the functionalities of an "imperative language"I.5.4. Objects: functionalities of a "prototype-based objectoriented language"; I.5.5. Functions as "first-class objects": the functionalities of a "functional language"; I.6. Conclusion; PART 1: Core JavaScript; Introduction to Part 1; 1. Variables: Declaration, Definition and Type; 1.1. Declarations of functions and variables; 1.1.1. The different declaration keywords; 1.1.2. Lexical scope and definition of a variable according to declaration mode: var, let, const.

2.1.3. Comparison operators: ==,!= (simple) or ===,!== (strict)2.2. Conditional instructions: branch test, loop test; 2.2.1. Conditional instructions: if ... else, if ... else if ... else; 2.2.2. Ternary conditional operator; 2.2.3. Instruction "switch"; 2.2.4. Classical iteration loop: instruction "for"; 2.2.5. Repeat under condition: instructions "while", and "do..while"; 2.2.6. Implicit casting of values "undefined" and "null" in boolean context; 2.2.7. Short-cut evaluation: tips for the uncertain definitions; 2.2.8. Exception handling; 3. Data: Numbers and Strings; 3.1. Handling numbers.

3.1.1. Literal notation of type "number" variables3.1.2. Arithmetic operators; 3.1.3. Math operations using the methods of the object Math; 3.1.4. Evaluation in the "numerical context" versus "boolean context"; 3.2. Handling character strings; 3.2.1 Literal notation of strings; 3.2.2. Backtick syntax, or template syntax, introduced by ES6; 3.2.3. Concatenation operator; 3.2.4. Resolving polymorphism issues with operator + in numerical or string context; 3.2.5. Behavior of the relational and equality operators; 3.2.6. Various facets of string-related issues in a sample application.