Training Guide: Programming in HTML5 with JavaScript and CSS3 Ebook
Lesson 1: Introducing JavaScript CHAPTER 3 79 Using the Number function The Number function attempts to convert the object argum ...
80 CHAPTER 3 Getting started with JavaScript Using the String function The String function attempts to convert the object argume ...
Lesson 1: Introducing JavaScript CHAPTER 3 81 The isNaN function accepts one object argument and tests this object to see whethe ...
82 CHAPTER 3 Getting started with JavaScript Using the switch keyword The switch keyword can be used when a single value is to b ...
Lesson 1: Introducing JavaScript CHAPTER 3 83 alert("You're a baby! You will soon be " + age + " years old!"); break; default: a ...
84 CHAPTER 3 Getting started with JavaScript It’s interesting to note that or operators can be chained, as shown in this example ...
Lesson 1: Introducing JavaScript CHAPTER 3 85 In this example, as long as the loop expression evaluates as true, the loop contin ...
86 CHAPTER 3 Getting started with JavaScript initialize a loop variable. This section executes once when the program reaches thi ...
Lesson 1: Introducing JavaScript CHAPTER 3 87 number. As soon as a number is found to be nonprime, there is no need to continue ...
88 CHAPTER 3 Getting started with JavaScript Remember that the finally block always executes either after the try block complete ...
Lesson 2: Writing, testing, and debugging JavaScript CHAPTER 3 89 C. NaN D. infinity Which of the following represent valid var ...
90 CHAPTER 3 Getting started with JavaScript Hello World from JavaScript There are several ways to write a Hello World program, ...
Lesson 2: Writing, testing, and debugging JavaScript CHAPTER 3 91 FIGURE 3-4 he NuGet search results containing QUnit For ASP.NE ...
92 CHAPTER 3 Getting started with JavaScript FIGURE 3-5 he QUnit summary screen showing 0 tests of 0 passed, 0 failedT This scre ...
Lesson 2: Writing, testing, and debugging JavaScript CHAPTER 3 93 <h2 id="qunit-banner"></h2> <div id="qunit-test ...
94 CHAPTER 3 Getting started with JavaScript FIGURE 3-6 he QUnit summary screen showing a failed testT Save all files by navigat ...
Lesson 2: Writing, testing, and debugging JavaScript CHAPTER 3 95 FIGURE 3-7 QUnit summary screen showing the successful Hello W ...
96 CHAPTER 3 Getting started with JavaScript FIGURE 3-8 he Manage NuGet Packages windowT Click the QUnit-Metro package; you shou ...
Lesson 2: Writing, testing, and debugging JavaScript CHAPTER 3 97 <!--QUnit-Metro references--> <link rel="stylesheet" ...
98 CHAPTER 3 Getting started with JavaScript <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> < ...
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