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XHTML Tutorial - Table Row "tr" Tag/Element

By: FYIcenter.com

(Continued from previous topic...)

What Is a "tr" Tag/Element?

A "tr" element is a special element that can only be used as a sub-element of a "table" element. A "tr" element defines a row in a table. Here are basic rules about "tr" elements:

  • "tr" elements are special elements only valid inside "table" elements.
  • "tr" elements can not have empty contents.
  • "tr" elements can not have text contents.
  • A "tr" element can only have "td" or "th" as sub-elements.
  • A "tr" element will be displayed as a new row in the table.

Some invalid example of "tr" elements:

 <!-- Invalid - "tr" is not a block element -->

 <!-- Invalid - "tr" is not an inline element -->
 <!-- Invalid - "tr" does not allow text content -->
 <table><tr>Row 1:<td>one</td><td>two</td></tr></table>

(Continued on next topic...)

  1. What Is a "table" Tag/Element?
  2. What Is a "tr" Tag/Element?
  3. What Is a "td" Tag/Element?
  4. What Are the Attributes of a "table" Element?
  5. How To Create Table Borders?
  6. How To Turn On Some Parts of Table Outer Borders?
  7. How To Control White Spaces between Table Cells?
  8. How To Control Padding Spaces within a Table Cell?
  9. How To Control Table Widths?
  10. What Happens If One Row Has Missing Columns?
  11. How To Control Horizontal Alignment in Table Cells?
  12. How To Control Vertical Alignment?
  13. How To Add Column Headers to a Table?
  14. What Is a "caption" Tag/Element?
  15. How To Merge Cells in a Row?
  16. How To Merge Cells in a Column?
  17. How To Create Nested Tables?

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