HTML table formatting

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HTML table formatting key component of HTML markup; tables are often used as templates for site layout, although it is more common and more widely accepted to use "div" tags, saving tables to display information that would typically be presented in such a table.

Contents

Syntax

Standard

Every table starts out with the ordinary tag <table>. This is typically followed by a <tr> tag which signifies the beginning of a new row. This is followed by a <td> tag which stands for "table data" - i.e. every box inside the row. Each td and tr tag must be closed, as must the table tag. (</td></tr></table>)



<-- Each black item is a table data

<-- This blue item is the table row

How that was done:
<table>

<tr> <td style="background:black" ><br/></td> <td style="background:black" ><br/></td> </tr>
<tr> <td "colspan="2"><br/></td> </tr>

</table>

Colspan and Rowspan

Every row must have the same number of table datas, occasionally table datas have to span more than one column or row. In this case the tags colspan and/or rowspan are used - where they are set to a number.




<-- This row has three table datas


<-- This row has two. The first uses colspan="2"



<-- This row has three table datas, but one spans two rows because it uses rowspan="2"


<-- This row has only two table datas, because its first is being taken up.

Borders

Border can be done one of two ways.

Separated

The most common way to do borders is having a border variable isolated - as in: <TABLE border='3px'> However this element is relatively restricted - as you are unable to efficiently change the color of the border because the element "bordercolor" does not work on all browsers.

Style

Border can also be combined with the style variable. This border argument is presented with 3 sub-components - width, style (hidden, dotted, dashed, solid, double, groove, ridge, inset, outset) and color.<table style="border: 1px solid blue">

Frames and Rules

Frames and Rules are different ways of formating tables. Put simply, frames are the outside border of the table, and rules are the inside borders. In Firefox, rules is commonly used when borders are in the style element because it allows an inside border to show up. In Internet Explorer, this can't be done.

Various Tables and Borders[1]
Code Result Code Result
<table border="1">
blueskies
pinkhearts
greenclover
<table style="border: 1px solid blue">
blueskies
pinkhearts
greenclover
<table style="border: 1px solid blue" rules="all">
blueskies
pinkhearts
greenclover
<table style="border-top:1px solid blue; border-bottom: 3px solid maroon; border-right:none; border-left: 1px double black">
blueskies
pinkhearts
greenclover
<table frame="HSides" rules="all">
blueskies
pinkhearts
greenclover
<table frame="VSides" rules="none">
blueskies
pinkhearts
greenclover
<table frame="box">
blueskies
pinkhearts
greenclover
<table RULES="ROWS">
blueskies
pinkhearts
greenclover
Note

[1]Borders can also more tediously be set for <td> and <th> tags.


Cellpadding and Cellspacing

This is cellpadding

Cellpadding

Cellpadding controls the distance between the contents of an individual cells i.e. <td> tags) and the cell boundaries.


Cellspacing

Cellspacing controls the distance in between individual cells (i.e. <td> tags).

See also

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