Training Guide: Programming in HTML5 with JavaScript and CSS3 Ebook

Suggested practice exercises CHAPTER 7 337

FIGURE 7-11 he completed page with validation errorT

Notice that after clicking the Submit button, the URL hasn’t changed because no

attempt was made to send the data to the server. If you enter data in all the fields and

click the Submit button, you’ll see the QueryString with its data.

Suggested practice exercises

The following additional exercises are designed to give you more opportunities to practice

what you’ve learned and to help you successfully master the lessons presented in this chapter.

■■Exercise 1 Learn more about positioning by adding more <div> elements to the

webpage to define a header and footer for the page. Use CSS style rules to set the

position.

■■Exercise 2 Add more elements to the page and try setting the format by selecting

the elements without using an id.

■■Exercise 3 Change the color scheme of the page by using RGB values.