HTML 5 Tag

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HTML 5 <col> Tag

The HTML <col> tag is used for specifying column properties for each column within a colgroup.

You would normally only use this tag if the values for each column is different. Otherwise, you can specify the properties as part of the colgroup tag.

Must be used within a HTML colgroup element that doesn't have a span attribute.

<table border="1"> <colgroup> <col span="2" style="background-color:#F4FBEA"> <col style="background-color:#AEF642"> </colgroup> <tr> <td>col 1</td> <td>col 2</td> <td>col 3</td> <td>col 4</td> <td>col 5</td> </tr> </table>

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Attributes

HTML tags can contain one or more attributes. Attributes are added to a tag to provide the browser with more information about how the tag should appear or behave. Attributes consist of a name and a value separated by an equals (=) sign, with the value surrounded by double quotes. Here's an example, style="color:black;".

There are 3 kinds of attributes that you can add to your HTML tags: Element-specific, global, and event handler content attributes.

The attributes that you can add to this tag are listed below.

Element-Specific Attributes

The following table shows the attributes that are specific to this tag/element.

AttributeDescription
spanSpecifies how many columns to span. This attribute's value must be a valid non-negative integer greater than zero.

Global Attributes

The following attributes are standard across all HTML 5 tags (although the tabindex attribute does not apply to dialog elements).

  • accesskey
  • autocapitalize
  • class
  • contenteditable
  • data-*
  • dir
  • draggable
  • hidden
  • id
  • inputmode
  • is
  • itemid
  • itemprop
  • itemref
  • itemscope
  • itemtype
  • lang
  • part
  • slot
  • spellcheck
  • style
  • tabindex
  • title
  • translate

For a full explanation of these attributes, see HTML 5 global attributes.

Event Handler Content Attributes

Event handler content attributes enable you to invoke a script from within your HTML. The script is invoked when a certain "event" occurs. Each event handler content attribute deals with a different event.

  • onabort
  • onauxclick
  • onblur
  • oncancel
  • oncanplay
  • oncanplaythrough
  • onchange
  • onclick
  • onclose
  • oncontextmenu
  • oncopy
  • oncuechange
  • oncut
  • ondblclick
  • ondrag
  • ondragend
  • ondragenter
  • ondragexit
  • ondragleave
  • ondragover
  • ondragstart
  • ondrop
  • ondurationchange
  • onemptied
  • onended
  • onerror
  • onfocus
  • onformdata
  • oninput
  • oninvalid
  • onkeydown
  • onkeypress
  • onkeyup
  • onlanguagechange
  • onload
  • onloadeddata
  • onloadedmetadata
  • onloadstart
  • onmousedown
  • onmouseenter
  • onmouseleave
  • onmousemove
  • onmouseout
  • onmouseover
  • onmouseup
  • onpaste
  • onpause
  • onplay
  • onplaying
  • onprogress
  • onratechange
  • onreset
  • onresize
  • onscroll
  • onsecuritypolicyviolation
  • onseeked
  • onseeking
  • onselect
  • onslotchange
  • onstalled
  • onsubmit
  • onsuspend
  • ontimeupdate
  • ontoggle
  • onvolumechange
  • onwaiting
  • onwheel

For a full list of event handlers, see HTML 5 event handler content attributes.

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