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Web Programming with HTML5, CSS, and JavaScript
book

Web Programming with HTML5, CSS, and JavaScript

by John Dean
January 2018
Intermediate to advanced
678 pages
20h 16m
English
Jones & Bartlett Learning
Content preview from Web Programming with HTML5, CSS, and JavaScript

9.5 Game Night Web Page

In the previous section, we examined an if statement with a mathematical-expression condition that asked whether the user’s age is greater than 16 (age > 16). For a condition to work, it has to evaluate to true or false. The age > 16 condition does indeed evaluate to true or false, with the result depending on age’s value. In this section, we examine a web page with an if statement where the condition again evaluates to true or false, but this time, it might not be as obvious that the condition evaluates to true or false. This time, we use the confirm method call (introduced two sections earlier) for the if statement’s condition.

Take a look at the Game Night web page in FIGURE 9.6. When the user clicks the button, ...

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Publisher Resources

ISBN: 9781284091809