tailieunhanh - JavaScript Bible, Gold Edition part 80

JavaScript Bible, Gold Edition part 80. 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. | 638 Part III Document Objects Reference On the Example with Listing 27-5 on the CD-ROM Related Items border borderColor frame properties. summary Value String Read Write NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility The summary property represents the HTML SUMMARY attribute. The text assigned to this attribute is intended for use by browsers that present a page s content through nonvisual means. For example a browser equipped to use speech synthesis to read the page aloud can use the text of the summary to describe the table for the user. Related Item caption property. tBodies Value Array of TBODY element objects Read-Only NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility The tBodies property returns an array of all TBODY elements in the table. Even if you don t specify a TBODY element every table contains an implied TBODY element. Thus to access a batch of rows of a simple table other than the THEAD and TFOOT sections you can use the tBodies 0 array notation. From there you can get the rows of the table body section via the rows property. This property is not available in IE4 Mac. On the Example on the CD-ROM CD-ROM r Related Items tFoot tHead properties. Chapter 27 Table and List Objects 639 tFoot tHead Value Row segment element object Read Write see text NN2 NN3 NN4 NN6 IE3 J1 IE3 J2 IE4 IE5 Compatibility Each table can have at most one TFOOT and one THEAD element. If you specify one of these for the table the tFoot and tHead properties respectively return references to those element objects. These properties are read-only in IE but NN6 enables you to assign valid TFOOT and THEAD element objects to these properties in order to insert or replace the elements in the current table. The process for doing this is similar to the sequence described in the caption property. For either of these two elements however you have to construct the desired number of table cell objects and row objects if you want multiple rows for the .

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