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The Web Wizard’s Guide To DHTML and CSS

The Web Wizard’s Guide To DHTML and CSS. Chapter 7 Using Dynamic Techniques. Chapter Objectives. Modify font size and color dynamically Modify text border style and color dynamically Improve appearance and responsiveness of lists Work dynamically with images

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The Web Wizard’s Guide To DHTML and CSS

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  1. The Web Wizard’s Guide To DHTML and CSS Chapter 7 Using Dynamic Techniques

  2. Chapter Objectives • Modify font size and color dynamically • Modify text border style and color dynamically • Improve appearance and responsiveness of lists • Work dynamically with images • Load external content in an inline frame

  3. Modifying Font Size and Color Dynamically • Complex text effects without Flash • Any CSS font property can be changed • Style sheet sets initial color of text to white • <button onclick="fadeText('fadingText',255,0,0);"> • Specifies final color for div with id=“fadingText” • fadeIn() function makes small changes to size and color every 35 milliseconds

  4. Modifying Border Style and Color Dynamically • CSS values for border color, border style, border width, and background color • document.getElementById('myText').style.borderColor = "red green yellow blue"; • Easily create ugly effects

  5. Creating Dynamic Lists • Replace standard bullet with custom image • Change image on mouseover

  6. Replacing Images with Dynamic HTML • Old way - event handlers in <a> tag • New way - event handlers in any tag • Load all images in stacked divs • Change stacking order to show desired image • Combine with Dynamic List effect

  7. Using an Inline Frame to Load External Content • <iframe> tag creates inline frame • Can be positioned anywhere on the page • Works in newer browsers only • Change src attribute of iframe to load new content • Simple link with target attribute also works

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