tailieunhanh - JavaScript Bible, Gold Edition part 185

JavaScript Bible, Gold Edition part 185. This book will bring programmers and non-technical professionals, including casual programmers and scripters, painlessly up to speed on all aspects of mastering JavaScript. Key topics include programming fundamentals, JavaScript language elements and how to use them effectively, and how to easily and efficiently add powerful new functionality to HTML documents and Java applets. | CD-332 Part VI Appendixes IFRAME. The if condition checks whether the property is set to something other than no. This test allows the condition to evaluate to true if the property is set to either auto the first time or yes as set by the function . function toggleFrameScroll framelD IE5 NN6 version var theFrame framelD IE4 version var theFrame frameID if no no else yes src NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility Example For best results use fully formed URLs as value for the src property as shown here myIframe .src http Relative URLs and javascript pseudo-URLs also work most of the time. popup Object Properties document NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility Appendix F Examples from Parts III and IV CD-333 Example Use The Evaluator Chapter 13 to experiment with the popup object and its properties. Enter the following statements into the top text box. The first statement creates a pop-up window whose reference is assigned to the a global variable. Next a reference to the body of the pop-up s document is preserved in the b variable for the sake of convenience. Further statements work with thest two variables. a b solid 2px black 5px P Here is some text in a popup window P 200 100 200 50 See the description of the show method for details on the parameters. isOpen NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility Example Use The Evaluator Chapter 13 to experiment with the isOpen property. Enter the following statements into the top text box. The sequence begins with a creation of a simple pop-up window whose reference is assigned to the a global variable. Note that the final statement is actually two statements designed so that the second statement executes while the pop-up .