Archive for December, 2007

CD-393Appendix F . Examples from Parts III and (Web hosts)

Monday, December 31st, 2007

CD-393Appendix F . Examples from Parts III and IV rightMargin See bottomMargin. scroll NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility Example To change the scrollbar appearance from the default, the statement is: document.body.scroll = no scrollLeft scrollTop NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility Example Listing 18-20 is the IE4+ version of the NN example for pageXOffset and pageYOffset properties (Listing 16-13). Everything about these two examples is the same except for the syntax that retrieves the values indicating how much the document is scrolled in a window. Listing 18-20: Viewing the scrollLeft and scrollTop Properties Master of all Windows

onStop Event Handler


Click the browser s Stop button (in IE) to stop the script counter.

document.onStop
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CD-388 Part VI . Appendixes Notice that except

Friday, December 28th, 2007

CD-388 Part VI . Appendixes Notice that except for NN2, you can easily modify Listing 18-17 to write the results to the same frame as the document containing the field and buttons. Instead of specifying the lower frame parent.frames[1].document.open() parent.frames[1].document.write(msg) parent.frames[1].document.close() the code simply can use document.open() document.write(msg) document.close() This code would replace the form document with the results and not require any frames in the first place. Because the code assembles all of the content for the new document into one variable value, that data survive the one document.write() method. The frameset document (Listing 18-18) creates a blank frame by loading a blank document (Listing 18-18). An alternative I highly recommend is to have the framesetting document fill the frame with a blank document of its own creation. See Blank Frames in Chapter 16 for further details about this technique for NN3+ and IE3+. Event Handlers onStop NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility Example Listing 18-19 provides a simple example of an intentional infinitely looping script. In case you load this page into a browser other than IE5, you can click the Halt Counter button to stop the looping. The Halt Counter button as well as the onStop event handler invoke the same function. document.onStop
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CD-387Appendix F . Examples from Parts III and (Apache web server)

Friday, December 28th, 2007

CD-387Appendix F . Examples from Parts III and IV Figure 18-2: Clicking the Write To Below button in the upper frame causes a script to assemble and write HTML for the bottom frame. A second point to note is that this example customizes the content of the document based on user input. This customization makes the experience of working with your Web page feel far more interactive to the user yet you re doing it without any CGI programs running on the server. The third point I want to bring home is that the document created in the separate frame by the document.write() method is a genuine document object. In this example, for instance, the tag of the written document changes if you redraw the lower frame after changing the entry of the name field in the upper frame. If you click the lower button after updating the bottom frame, you see that the document.titleproperty has, indeed, changed to reflect the <TITLE>tag written to the browser in the course of displaying the frame s page (except in NN4/Mac, which exhibits a bug for this property in a dynamically written document). The fact that you can artificially create full-fledged, JavaScript document objects on the fly represents one of the most important powers of serverless CGI scripting (for information delivery to the user) with JavaScript. You have much to take advantage of here if your imagination is up to the task. document.write() <br />We recommend cheap and reliable webhost to host and run your web applications: <a href="http://coldfusion.bluewebsitehosting.net">Coldfusion Web Hosting</a> services. </p> </div> </div> <div class="post"> <h3 id="post-355"><a href="http://domain.solidwebhosting.net/domain/cd-386-part-vi-appendixes-listing-18-17-continued-sri-lanka-web-server/" rel="bookmark" title="Permanent Link to CD-386 Part VI . Appendixes Listing 18-17 (continued) (Sri lanka web server)">CD-386 Part VI . Appendixes Listing 18-17 (continued) (Sri lanka web server)</a></h3> <small>Friday, December 28th, 2007</small> <div class="entry"> <p>CD-386 Part VI . Appendixes Listing 18-17 (continued) function getTitle() { alert( Lower frame document.title is now: + parent.Frame2.document.title) } </SCRIPT> </HEAD> <BODY> Fill in a name, and select how that person feels today. Then click Write To Below to see the results in the bottom frame. <FORM> Enter your first name:<INPUT TYPE= text NAME= yourName VALUE= Dave ><P> How are you today? <INPUT TYPE= radio NAME= how VALUE= I hope that feeling continues forever. CHECKED>Swell <INPUT TYPE= radio NAME= how VALUE= You may be on your way to feeling Swell > Pretty Good <INPUT TYPE= radio NAME= how VALUE= Things can only get better from here. > So-So<P> <INPUT TYPE= button NAME= enter VALUE= Write To Below onClick= takePulse(this.form) > <HR> <INPUT TYPE= button NAME= peek VALUE= Check Lower Frame Title onClick= getTitle() > </BODY> </HTML> Listing 18-18: Placeholder for Listing 18-16 <HTML> <HEAD> <TITLE>Placeholder Figure 18-2 shows an example of the frame written by the script. document.write()
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CD-385Appendix F . Examples from Parts (Web site construction) III and

Thursday, December 27th, 2007

CD-385Appendix F . Examples from Parts III and IV Example The example in Listings 18-16 through 18-18 demonstrates several important points about using the document.write() or document.writeln() methods for writing to another frame. First is the fact that you can write any HTML code to a frame, and the browser accepts it as if the source code came from an HTML file somewhere. In the example, I assemble a complete HTML document, including basic HTML tags for completeness. Listing 18-16: Frameset for document.write() Example Writin to the doc Listing 18-17: document.write() Example Document Write Controller