WEB DESIGN WITH JAVASCRIPT AND THE DOCUMENT OBJECT MODEL PDF

ptg611chapter15The W3C DOM and JavaScript15.1 The W3C DOMThe W3C DOM provides JavaScript applications a standard way to access all the ele-ments of the document. Although the DOM was designed to help developers navigate an XML document, HTML documents can be navigated in the same way. For JavaScript[r]

06_78544X ch03.qxp 7/18/06 3:12 PM Page 74As you have seen, although JavaScript is a scripting language, it is extremely powerful, it has object-oriented methods, and it has very dynamic features. These features are often not found in more staticlanguages such as C++, Java, and C#. JavaScript is the[r]

Netscape have taken over the years, it is only with adoption of the W3C DOM in theIE5 and NN6 browsers that a lot of the same DHTML script code can run inter-changeably on both IE and NN. (But even then, IE5 and IE5.5 do not support theW3C DOM as fully as NN6 does.) If your audience uses IE exclusiv[r]

Contents at a GlanceForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixPreface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiAcknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[r]

ptg327chapter11Working with Forms and Input Devices11.1 The Document Object Model and the Legacy DOM 0If you recall from Chapter 1, “Introduction to JavaScript,” a document object model is a way of conceptualizing a Web page where the document is represented as a tree structure. In Chapter 10, “It’s[r]

Where to Go from HereThese past two chapters provided an overview of the core language and objectmodel issues that anyone designing pages that use JavaScript must confront. Thegoal here is to stimulate your own thinking about how to embrace or discard levelsof compatibility with your pages as you ba[r]

compliant tool, does not mean that your users will be accessing this content using the latest and greatestset of browsers. Depending upon the nature of the business or the application, you may be required tocater for older browsers such as Internet Explorer 4 or Netscape 4. This is not particularly[r]

ptg10.1 JavaScript and the Browser Object Model 28510.1.2 Working with the window ObjectThe window object is where all the action happens in a browser. It’s at the top of the Java-Script hierarchy, and is automatically defined for each window that you open, as repre-sented in Figure 10.12. When you[r]

sequence that the browser follows to execute statements in a script. A fewapproaches to these control structures allow a script to follow different paths basedon decisions (using the comparison operators shown in Chapter 6) or on criteriafor repetition (such as inspecting each character of a text st[r]

ptg676 Chapter 15 • The W3C DOM and JavaScript15.9.4 Event Listeners with Microsoft Internet ExplorerMicrosoft, too, has developed an event registration model. It looks similar to W3C’s, but has some important differences. To write cross-platform compatible code, you can test for both. See Example 1[r]

ptg532 Chapter 14 • Introduction to CSS (Cascading Style Sheets) with JavaScript14.4 Common Style Sheet PropertiesIn the previous examples, font-family and color are properties (also called attributes), and assigning values to them defines the style of the document. Listed in Table 14.1 are some of[r]

Classroom in a BookIn the Files tab of the site window, notice the newly created pages, folders (travel and services), and their generic symbols. Also notice that none of the custom objects are represented except for the Secure object. For predefined custom objects—forms, elements, databases, applets[r]

ptg11.4 JavaScript and the form Object 34111.4 JavaScript and the form ObjectIn the previous example, the HTML form had nothing to do with JavaScript. After a form has been filled out, the user clicks a Submit button and the information is normally sent from the browser to a server in a URL-encoded[r]

Adobe Systems Incorporated’s Portable Document Format (PDF) is the de facto standard for the accurate, reliable, and platformindependent representation of a paged document. It’s the only universally accepted file format that allows pixelperfect layouts. In addition, PDF supports user interaction and[r]

ptg527chapter14Introduction to CSS (Cascading Style Sheets) with JavaScript14.1 What Is CSS?Cascading Style Sheets (CSS) was a standard introduced by the World Wide Web Con-sortium (W3C) in 1995 to help designers get more control over their Web pages by enhancing what HTML can do—it is used to styli[r]

Calling these objects “JavaScript objects” is not entirely correct. These are reallybrowser document objects: you just happen to use the JavaScript language to bringthem to life. Some scripters of Microsoft Internet Explorer use the VBScript lan-guage to script the very same document objects. Techni[r]

Incidentally, Listing 7.1 shows a few other literals available in JavaScript as well,most notably the array literal ([] as opposed to new Array()).ECMA-262 defines a JavaScript object as an unordered collection of properties.Properties consist of a name, a value, and a set of attributes. Property nam[r]

249Chapter 9Creating Web Applications with ASP.NET MVC 250 Microsoft Visual Studio 2010: A Beginner’s GuideKey Skills & Concepts● Learn What MVC Means● Create Models● Create Controllers● Create Views● Work with Data in ASP.NET MVCASP.NET is a .NET technology for building Web applications. VS[r]

ptgCreating Page Layouts Using CSS-PIntroductionCascading Style Sheets-Positioning (CSS-P) is more than the perfect positioning of words and objects on a Web page, in addition, layers technology lets you create movable contain-ers (called AP elements, formerly known as layers) that allow you to prec[r]

ments as nodes of a hierarchical tree, the document object is the root node — thatfrom which all other nodes grow.Because the document object isn’t explicitly represented in an HTML documentby tags or any other notation, the original designers of JavaScript and object mod-els decided to make the doc[r]