17 HTML, Scripting, and Interactivity Section 17.1 Add an audio file using HTML Create a form using HTML Add text boxes using HTML Add radio buttons and check boxes using HTML Add a pull-down menu using HTML Add a text area using HTML Modify a text box using CSS YOU WILL LEARN TO…

17 HTML, Scripting, and Interactivity Section 17.2 Identify client-side scripting languages Create a rollover button using JavaScript Identify server-side scripting languages Debug code YOU WILL LEARN TO…

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Section 17.1 Adding Interactivity Using HTML Focus on Reading Main Ideas You can use HTML code to insert multimedia elements into a Web page. Other HTML tags allow you to create forms. Key Terms animated GIF radio button pull-down menu text area pp

Section 17.1 Adding Interactivity Using HTML Adding Multimedia Elements animated GIF Inserting an audio file or an animated GIF file is very similar to inserting an image file. animated GIF A sequence of GIF images that are all stored in a single file along with an image transition delay value that controls the amount of time each image will stay on the screen. (p. 477) pp

Section 17.1 Adding Interactivity Using HTML Creating a Registration Form radio buttons pull-down menus text areas You create a registration form in HTML with text boxes, using preset options, like radio buttons, check boxes, pull-down menus, and text areas. pp radio button An interactive control that allows a user to select only one option from a list of options. (p. 478) pull-down menu An interactive element that looks like a text field, but operates like a set of radio buttons in that users can choose only one item from a list of options. (p. 479) text area A form field that will expand to allow visitors to enter any length comment. (p. 479)

Section pp Adding Interactivity Using HTML It is not difficult to create a form using HTML. Knowing which HTML tags to use can help you adjust form elements when you create a form in Dreamweaver. Forms in CSS 17.1

Section pp Adding Interactivity Using HTML Activity 17A – Add an Audio File Using HTML (p. 476) Activity 17B – Add Text Boxes Using HTML (p. 477) Activity 17C – Add Radio Buttons and Check Boxes Using HTML (p. 478) Activity 17D – Add a Pull-down Menu Using HTML (p. 479) Activity 17E – Add a Text Area using HTML (p. 480) Activity 17F – Use CSS to Style a Form (p. 480) 17.1

Section Adding Interactivity Using HTML pp Identify In an animated GIF, what does an image transition delay value control? A. the size of each image B. the color of each image C. the amount of time each image will stay on the screen D. the HTML tags used to create each image C. the amount of time each image will stay on the screen Section Assessment 17.1

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Section 17.2 Adding Interactivity Using Scripting Focus on Reading Main Ideas Scripting languages are used to supplement the capabilities of standard HTML. Scripting languages are divided into client-side scripts and server-side scripts. Key Terms client-side script object event event handler function variables conditional statements server-side script pp

Section 17.2 Adding Interactivity Using Scripting Client-Side Scripts client-side scripts Some scripting languages, known as client-side scripts, are designed to be transferred to the users computer along with the HTML code. client-side script A script that is executed by the users Web browser. (p. 483) pp

Section 17.2 Adding Interactivity Using Scripting Client-Side Scripts object In JavaScript, an element in a browser window; it can have properties that define it. (p. 483) event Anything that causes an effect to occur; often triggered by user action. (p. 484) event handler The part of the script that responds to an event and defines the action that will occur when the event takes place. (p. 484) pp JavaScript is a popular scripting language for client-side scripts. JavaScript is composed of several elements, including: Objects Events Event handlers

Section 17.2 Adding Interactivity Using Scripting Client-Side Scripts function In JavaScript, code that performs a specific task or action. (p. 484) variables Used by scripts to identify a value that will change when the script is executed. (p. 484) conditional statement A type of code that allows a script to respond differently depending on the action taken by the user. (p. 484) pp More JavaScript elements: Functions Variables Conditional statements

Section 17.2 Adding Interactivity Using Scripting Server-Side Scripts Server-side scripts Server-side scripts are run from the Web server. Web designers often use CGI to create Web-based forms that users fill out and then submit to the server. server-side script A script that is executed on the Web server, with the output transferred to the users computer as a Web page. (p. 485) pp

Section pp Adding Interactivity Using Scripting Server-side scripts can be used to change static content into dynamic content. A server-side script can retrieve data based on the users input and then generate a Web page that displays in the users browser. Server-Side Scripts 17.2

Section pp Adding Interactivity Using Scripting An alert statement tells you when a particular action is not occurring as specified. Alert statements should be removed before the site is published. Debugging Code 17.2

Section pp Adding Interactivity Using Scripting Activity 17G – Create a Rollover Button Using JavaScript (p. 484) 17.2

Section Adding Interactivity Using Scripting pp True/False Client-side scripts are executed on the Web server. False. Client-side scripts are executed by a users Web browser. Section Assessment 17.2

17 HTML, Scripting, and Interactivity Chapter Review Identify What element looks like a text field, but operates like a set of radio buttons? A. option button B. entry field C. text area D. pull-down menu

17 HTML, Scripting, and Interactivity Chapter Review Explain What is the difference between client-side scripts and server-side scripts? Client-side scripts are executed by the users Web browser. They are downloaded to the users computer with the HTML code. Server- side scripts are executed by the Web server. They often generate page content based on the input of the user.

17 HTML, Scripting, and Interactivity 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