10 Adding Interactivity to a Web Site Section 10.1 Define scripting Summarize interactivity design guidelines Identify scripting languages Compare common scripting languages Identify markup languages YOU WILL LEARN TO…

10 Adding Interactivity to a Web Site Section 10.2 Apply DHTML effects Create a banner ad Add update information Remove a page from a template Insert layers Section 10.3 Create a form Identify different field types Place fields and labels into forms Add a jump menu YOU WILL LEARN TO…

Section 10.1 Scripting and Markup Languages Focus on Reading Main Ideas Scripting languages make Web pages dynamic and interactive. Examples of scripting languages include JavaScript, Java applets, CGI, and DHTML. XML and XHTML are types of markup languages. Key Terms script interactivity JavaScript Java applet Common Gateway Interface (CGI) markup languages Extensible Markup Language (XML) Extensible Hypertext Markup Language (XHTML) pp

Section 10.1 Scripting and Markup Languages Scripting and Interactivity You can use scripts to add interactivity to your Web pages. Interactivity on a Web site allows you to solicit and receive information from your visitors. script A short program that you can insert into HTML code using special tags; expands the capabilities of HTML to create dynamic Web pages. (p. 278) interactivity Allows communication between the visitor and the Web page; the user can perform an action that the Web page responds to. (p. 278) pp

Section pp Scripting and Markup Languages Scripting languages can be used to create interactive elements, such as: rollover buttons banners displays clocks forms games Scripting Languages 10.1

Section 10.1 Scripting and Markup Languages Scripting Languages JavaScript is a JavaScript is a scripting language that works as part of an HTML document. As the Web page loads onto a user’s computer, the browser reads the JavaScript and completes the operation. JavaScript A scripting language used to enhance the capabilities of Web programming by allowing the creation of special effects such as fading backgrounds and button rollovers. (p. 279) pp

Section 10.1 Scripting and Markup Languages Scripting Languages Java applet Java applet is a short code program that can be used to create interactive elements that operate separately from the overall Web page. A Java date picker applet allows users to select travel dates by clicking on a pop-up calendar. Java applet A short Java code program that runs in a browser. (p. 279) pp

Section 10.1 Scripting and Markup Languages Scripting Languages Common Gateway Interface (CGI) Common Gateway Interface (CGI) is a type of script that allows information to transfer back and forth in real-time between two computers. Common Gateway Interface (CGI) A type of script that provides a link, or interface, between an external application and a Web server. This link allows the Web server to pass a user’s request to an application program and then return information to the user. (p. 279) pp

Section Scripting and Markup Languages Dynamic HTML (DHTML) is a scripting language that is an extension of HTML. It allows you to create interactive Web sites by combining these three elements: HTML Cascading Style Sheets JavaScript Scripting Languages 10.1 pp

Section 10.1 Scripting and Markup Languages Markup Languages markup language HTML is a markup language that defines the appearance of data. Extensible Markup Language (XML) Extensible Markup Language (XML) is a markup language that defines the meaning, and not the appearance, of Web elements. markup language A text file that contains special sequences of characters that function as tags, such as HTML, XML, and XHTML. (p. 280) Extensible Markup Language (XML) A markup language whose tags impose a specific structure and meaning on data without providing any information about how the data should be displayed. (p. 280) pp

Section 10.1 Scripting and Markup Languages Markup Languages Extensible Hypertext Markup Language (XHTML) Extensible Hypertext Markup Language (XHTML) uses the same structure and tags as HTML, but it designed to be far more versatile. Extensible Hypertext Markup Language (XHTML) A markup language that is designed to bridge the differences between HTML and XML. (p. 280) pp

Section Scripting and Markup Languages Creating an interactive Web page that people will enjoy visiting requires careful planning. Follow these guidelines when adding interactive elements to a Web page: Use Interactivity only when it enhances the site. Keep it simple so it is not distracting or annoying. Make sure users know how to use interactive elements. Check interactivity in all browsers visitors will use. Interactivity Design Guidelines 10.1 pp

Section Scripting and Markup Languages pp Identify You can use ________ to create special effects such as fading backgrounds and rollover buttons. A. DHTML B. Cascading Style Sheets C. XML D. JavaScript Section Assessment 10.1

Section 10.2 Adding Dynamic Effects Guide to Reading Main Ideas Dreamweaver makes it easy to apply dynamic effects to your pages. Dynamic effects include banner ads, automatic date insertion, and layers. Using dynamic effects makes your Web site interesting. Key Terms rollover button banner ad layer pp

Section 10.2 Adding Dynamic Effects Banner Ads Rollover buttons are often used to create banner ads. Dreamweaver uses DHTML to create rollover buttons. rollover button A button that changes appearance when the mouse pointer passes over it. (p. 283) banner ads An advertisement that, when clicked, takes the visitor to the sponsor’s home page. (p. 283) pp

Section pp Adding Dynamic Effects You can use Dreamweaver’s Insert Date feature to display the current date and/or show when the site’s content was last updated. Update Information 10.2

Section 10.2 Adding Dynamic Effects Using DHTML Behaviors layers Web designers often use layers instead of tables when they want to position objects precisely on a page. Adding a lot of layers can cause a page to download very slowly. layer A container within an HTML page that can include objects such as text, images, and forms. (p. 288) pp

Section pp Adding Dynamic Effects Activity 10A – Insert a Banner Ad (p. 284) Activity 10B – Add Update Information (p. 285) Activity 10C – Remove a Page from a Template (p. 286) Activity 10D – Insert Show-Hide Layers Behavior (p. 288) 10.2

Section Adding Dynamic Effects pp Examine Which of the following can be used to position objects on a Web page? A. layers B. rollover buttons C. labels D. banner ads A. layers Section Assessment 10.2

Section 10.3 Adding a Form to a Web Site Focus on Reading Main Ideas Forms make Web sites interactive by letting users submit data. Users enter each data item in a field identified by a label. Different types of fields fulfill different purposes. Key Terms form field label jump menu pp

Section 10.3 Adding a Form to a Web Site Forms and Their Components forms fields labels Web programmers and designers create forms, made up of fields and labels, to allow users to enter and submit data. Most forms also contain a Submit and Reset button. form A structure that includes fields for collecting data from visitors to a Web site. (p. 292) field A form component that allows the user to enter information into the form. A form field often corresponds to a field database. (p. 292) label Text that tells the user what type of information to enter into a form’s field. (p. 292) pp

Section pp Adding a Form to a Web Site A form can contain different types of fields. Each type of limited option form field has a specific purpose: A text field lets users enter a line of text A text area lets users enter many lines of text. A radio button lets users select one of multiple options. A check box lets users select one or more options. A list/menu lets users select from a list of choices. Submit/Reset Buttons let users submit or erase a form. Form Fields 10.3

Section 10.3 Adding a Form to a Web Site Adding Dynamic Effects to a Form jump menu A jump menu can be used to make a form more dynamic. jump menu A dynamic menu that allows the user to access hyperlinks from a single drop-down menu. (p. 297) pp

Section pp Adding a Form to a Web Site Activity 10E – Create a Form with Fields (p. 293) Activity 10F – Add a Jump Menu to a Web Page (p. 297) 10.3

Section Adding a Form to a Web Site pp True/False A label tells the user what type of information to enter into a form’s field. True. A label is the text that tells a user what type of information to enter into a form. Section Assessment 10.3

10 Adding Interactivity to a Web Site Chapter Review Evaluate If you want users to choose only one option, what type of form field would you use? A. text field B. check box C. radio button D. text area C. radio button

10 Adding Interactivity to a Web Site Chapter Review Analyze Why would you want to include a dynamic element that shows the date when the page was last updated? Including the date of the most recent update will assure your target audience that your content is recent and that your site does not contain old or out-of-date material.

10 Adding Interactivity to a Web Site Resources For more resources on this chapter, go to the Introduction to Web Design Using Dreamweaver Web site at WebDesignDW.glencoe.com. WebDesignDW.glencoe.com