JavaScript for absolute beginners
If you are new to both JavaScript and programming, this hands-on book is for you. Rather than staring blankly at gobbledygook, you'll explore JavaScript by entering and running hundreds of code samples in Firebug, a free JavaScript debugger. Then in the last two chapters, you'll leave the...
| Autor principal: | |
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| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
New York :
Apress
2010.
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| Edición: | 1st ed. 2010. |
| Colección: | The expert's voice in web development JavaScript for absolute beginners
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| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009628029906719 |
Tabla de Contenidos:
- Title Page; Copyright Page; Dedication Page; Table of Contents; About the Author; About the Technical Reviewers; Acknowledgments; Preface; Opening Firebug; Enabling Firebug; Command Line; Command Editor; CHAPTER 1 Representing Data with Values; What Are Value Types?; Creating a String Literal; Commenting Code; Gluing Strings Together with the + Operator; Creating a Number Literal; Creating a Boolean Literal; Naming a Value with an Identifier; Can I Name a Variable Anything I Want?; Some Valid Identifiers Are Already Taken; Creating an Object Literal; Naming Members with Identifiers
- Creating an Array LiteralCreating a Function Literal; Summary; CHAPTER 2 Type Conversion; String Members; Determining the Number of Characters; Decoding or Encoding Characters; Converting Case; Locating a Substring; Clipping a Substring; Replacing a Substring; Splitting a String into an Array of Smaller Strings; Searching with Regular Expressions; Explicitly Creating Wrappers; Converting a Value to Another Type; Converting a Value to a Number; Converting a Value to a String; Methods for Converting a Number to a String; Putting Off Learning RegExp Syntax; Summary; CHAPTER 3 Operators
- Introducing Operator Precedence and AssociativityUsing JavaScript Operators; Combining Math and Assignment Operations; Incrementing or Decrementing Values; Testing for Equality; Testing for Inequality; Comparing Objects, Arrays, and Functions; Determining Whether One Number or String Is Greater Than; Determining Whether One Number or String Is Less Than Another; Greater Than or Equal to, Less Than or Equal to; Creating More Complex Comparisons; Saying or With ||; Saying "and" with &&; Chaining || Expressions; Chaining && Expressions; Chaining || and && Expressions
- Conditionally Returning One of Two ValuesMaking Two Expressions Count as One; Deleting a Member, Element, or Variable; Summary; CHAPTER 4 Controlling Flow; Writing an if Condition; Appending an else Clause; To Wrap or Not to Wrap; Coding Several Paths with the else if Idiom; Controlling Flow with Conditional Expressions; Taking One of Several Paths with a Switch; Writing a while Loop; Aborting an Iteration but Not the Loop; Replacing Break with Return in a Function; Writing a do while loop; Writing a for Loop; Enumerating Members with a for in Loop; Snappier Conditionals; Snappier Loops
- SummaryCHAPTER 5 Member Inheritance; Creating Objects with a Constructor; Classical Inheritance; Determining Which Type or Types an Object Is an Instance Of; Inherited Members Are Shared Not Copied; Modifying New and Past Instances of a Type; Sharing a Prototype but Forgoing the Chain; Adding an Empty Chain Link; Stealing a Constructor; Prototypal Inheritance; Cloning Members; Mixins; Summary; CHAPTER 6 Functions and Arrays; Why Use Functions?; Functions Are Values; Function Members; Conditional Advance Loading; Writing Object.defineProperty(); Writing Object.defineProperties()
- Writing Object.create()
