Br

Line Break Support Key: [2\|3\|3.2\|4] [IE1\|M1\|N1\|O2.1]	What is it? Attributes Tag Example	Parent/Content Model Tips & Tricks Browser Peculiarities
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Quick Statistics
End Tag:		Omitted
Standards Details:		In all HTML 4.x/XHTML DTDs
XHTML Modules:		Text
CSS 'display' Type:		Replaced element
CSS Mapping:		content: "\A"
Default Rendering:		Element replaced by a linebreak
Official Docs:		HTML 4.x, XHTML 1.1

What is it?: The BR element explicitly indicates that a line break be placed in a section of content. This overrides the typical HTML behavior which lets the browser decide when to put linebreaks in a document. The same indentation level applied to the previous line will be applied to the new line of content.

Common Attributes
%Core%: [2|3|3.2|4] [X1|X1.1] [IE5|M|N4|O3.5]
%Accessibility%: [2|3|3.2|4] [X1|X1.1] [IE|M|N|O]
%Language%: [2|3|3.2|4] [X1|X1.1] [IE4|M|N|O]
Specific Attributes
Clear
[2|3|3.2|4] [X1|X1.1] [IE1|M3|N1|O2.1]: Standards Details: Deprecated in HTML 4.x/XHTML 1.0; Dropped in XHTML 1.1; Required? No; Description:
This attribute was added to deal with floating images produced through the Left and Right ALIGN attributes to the IMG element. It can now be used for effect in any situation where floating elements exist [images, objects, spacers, tables, etc.]; Values:
   None [DEFAULT - No special line breaking effects are applied relative to the floating element -just a normal break.]
   Left [breaks line and moves down vertically until there is a clear left margin]
   Right [breaks line and moves down vertically until there is a clear right margin]
   All [breaks line and moves down vertically until both margins are clear of images.]
SDAPref
[2|3|3.2|4] [X1|X1.1] [IE|M|N|O]: Standards Details: NA; Required? No; Description:
This is an SGML Document Access (SDA) attribute. SDA attributes are designed to transform HTML (and other SGML-based documents) to the ICADD DTD - which is used in creating accessible documents for users with visual disabilities (rendering in Braille, large print, speech synthesis, etc.) The attribute value specifies content to be added BEFORE the original element content (in this case the string "&#RE;") when the SDA document is rendered. &#RE; refers to a carriage return in the SDA transform.; Value: "&#RE;"

Example: <p>This is a line of text with a linebreak here.<br /> This is text after</p>

Parent Model: %In-line Parent% | %Block Parent%
Content Model: This element does not accept any content.

Tips & Tricks

[Tests: 1, 2, 3, 4] If you use a BR at the end of a block structuring element (ex: BLOCKQUOTE) or block structuring sub element (ex: LI), you may need to use two consecutive line breaks to produce a visual space in a document. This is because there is already an implied line break at the end of block structures.
[Test] Note: There is only one CSS property that I think can have any effect on this element: the 'display' property. Setting the value to 'none' will make the line break disappear. Otherwise, this is a 'Replaced Element' that is replaced in the document with a line break and thus has no intrinsic display properties.

Browser Peculiarities

Internet Explorer 4.0: Because of the power of the HTML DOM in this version, the CLASS and STYLE attributes are accessible in this version, but the one CSS property that would have any visible effect, 'display', does not work in this version. So, I marked the CLASS and STYLE properties as being not supported in this version.

Line Break