Programming with JavaScript: Algorithms and Applications for Desktop and Mobile Browsers

CHAPTER 4

Statements

CHAPTER CONTENTS

4.1   The Declaration Statement

4.2   The Expression Statement

4.3   Conditional Execution

4.3.1 The if Statement

4.3.2 The Conditional Expression

4.3.3 The switch Statement

4.3.4 Avoiding Conditional Code with Lookups

4.3.5 Short-Circuit Execution

4.4   Iteration

4.4.1 The while and do-while Statements

4.4.2 The for Statement

4.4.3 The for-in Statement

4.5   Disruption

4.5.1 break and continue

4.5.2 Exceptions

4.6   Coding Forms to Avoid

4.6.1 Blockless Compound Statements

4.6.2 Implicit Semicolon

4.6.3 Implicit Declarations

4.6.4 Increment and Decrement Operators

4.6.5 The with Statement

Chapter Summary

Exercises

Introduction

In the previous chapter, we saw how to write simple expressions, which are evaluated ...