Help:Tables

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Tables may be authored in wiki pages using either XHTML table elements directly, or using wikicode formatting to define the table. XHTML table elements and their use are well described on various web pages and will not be discussed here. The benefit of wikicode is that the table is constructed of character symbols which tend to make it easier to perceive the table structure in the article editing view compared to XHTML table elements.

As a general rule, it is best to avoid using a table unless you need one. Table markup often complicates page editing.

Contents

[edit] Wiki table markup summary

{|
table start
|+
table caption, optional; only between table start and first table row
|-
table row, optional on first row -- wiki engine assumes the first row
! 
table header cell, optional. Consecutive table header cells may be added on same line separated by double marks (!!) or start on new lines, each with its own single mark (!).
|
table data cell, required! Consecutive table data cells may be added on same line separated by double marks (||) or start on new lines, each with its own single mark (|).
|}
table end

[edit] Basics

The following table lacks borders and good spacing but shows the simplest wiki markup table structure.

You type You get
{|
|Orange
|Apple
|-
|Bread
|Pie
|-
|Butter
|Ice cream 
|}
Orange Apple
Bread Pie
Butter Ice cream

The cells in the same row can be listed on one line separated by ||.

Extra spaces within cells in the wiki markup, as in the wiki markup below, do not affect the actual table rendering.

You type You get
{|
|  Orange    ||   Apple   ||   more
|-
|   Bread    ||   Pie     ||   more
|-
|   Butter   || Ice cream ||  and more
|}
Orange Apple more
Bread Pie more
Butter Ice cream and more

[edit] Table headers

Table headers can be created by using "!" instead of "|". Headers usually show up bold and centered by default.

You type You get
{|
! Item
! Amount
! Cost
|-
|Orange
|10
|7.00
|-
|Bread
|4
|3.00
|-
|Butter
|1
|5.00
|-
!Total
|
|15.00
|}
Item Amount Cost
Orange 10 7.00
Bread 4 3.00
Butter 1 5.00
Total 15.00

[edit] Caption

A table caption can be added to the top of any table as follows.

You type You get
{|
|+Food complements
|-
|Orange
|Apple
|-
|Bread
|Pie
|-
|Butter
|Ice cream 
|}
Food complements
Orange Apple
Bread Pie
Butter Ice cream

[edit] XHTML attributes

You can add XHTML attributes to tables. For the authoriative source on these, see the W3C's HTML 4.01 Specification page on tables.

[edit] Attributes on tables

Placing attributes after the table start tag ({|) applies attributes to the entire table.

You type You get
{| border="1"
|Orange
|Apple
|12,333.00
|-
|Bread
|Pie
|500.00
|-
|Butter
|Ice cream
|1.00
|}
Orange Apple 12,333.00
Bread Pie 500.00
Butter Ice cream 1.00

[edit] Attributes on cells

You can put attributes on individual cells. For example, numbers may look better aligned right.

You type You get
{| border="1"
|Orange
|Apple
|align="right" | 12,333.00
|-
|Bread
|Pie
|align="right" | 500.00
|-
|Butter
|Ice cream
|align="right" | 1.00
|}
Orange Apple 12,333.00
Bread Pie 500.00
Butter Ice cream 1.00

You can also use cell attributes when you are listing multiple cells on a single line. Note that the cells are separated by ||, and within each cell the attribute(s) and value are separated by |.

You type You get
{| border="1"
| Orange || Apple     || align="right" | 12,333.00
|-
| Bread  || Pie       || align="right" | 500.00
|-
| Butter || Ice cream || align="right" | 1.00
|}
Orange Apple 12,333.00
Bread Pie 500.00
Butter Ice cream 1.00

[edit] Attributes on rows

You can put attributes on individual rows, too.

You type You get
{| border="1"
|Orange
|Apple
|align="right"|12,333.00
|-
|Bread
|Pie
|align="right"|500.00
|- style="font-style:italic; color:green;"
|Butter
|Ice cream
|align="right"|1.00
|}
Orange Apple 12,333.00
Bread Pie 500.00
Butter Ice cream 1.00

[edit] With HTML attributes and CSS styles

CSS style attributes can be added with or without other HTML attributes.

You type You get
{| style="color:green; background-color:#ffffcc;" cellpadding="20" cellspacing="0" border="1"
|Orange
|Apple
|-
|Bread
|Pie
|-
|Butter
|Ice cream 
|}
Orange Apple
Bread Pie
Butter Ice cream

Attributes can be added to the caption and headers as follows.

You type You get
{| border="1" cellpadding="20" cellspacing="0"
|+ align="bottom" style="color:#e76700;" |''Food complements''
|-
|Orange
|Apple
|-
|Bread
|Pie
|-
|Butter
|Ice cream 
|}
Food complements
Orange Apple
Bread Pie
Butter Ice cream

[edit] Caveats

[edit] Negative numbers

If you start a cell on a new line with a negative number with a minus sign (or a parameter that evaluates to a negative number), your table can get broken, because the characters |- will be parsed as the wiki markup for table row, not table cell. To avoid this, insert a space before the value (| -6) or use in-line cell markup (|| -6).

[edit] CSS vs Attributes

Table borders specified through CSS rather than the border attribute will render incorrectly in a small subset of text browsers.

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