Quick reference guides for languages, frameworks, and technologies.
CSS properties, selectors, and browser compatibility reference.
HTML element and attribute reference.
Java language and standard library reference.
JavaScript language and browser API reference.
Python language and standard library reference.
Ruby language and standard library reference.
Sass and SCSS reference.
CSS properties, selectors, and browser compatibility reference.
Not all browsers are made the same, browser fallbacks are a big part of css
HTML element and attribute reference.
content is "Inline" except that anchors shouldn't be nested
abbreviation
Indicates an acronym (e.g., WAC, radar, etc.).
information on author
bold font
Base tag for document base URI references.
I18N BiDi over-ride
bigger font
forced line break
Content is "Flow" excluding a, form and form controls
Contains a citation or a reference to other sources.
Designates a fragment of computer code.
col elements define the alignment properties for cells in one or more columns. The width attribute specifies the width of the columns, e.g. width=64 width in screen pixels width=0.5* relative width of 0.5 The span attribute causes the attributes of one col element to apply to more than one column.
colgroup groups a set of col elements. It allows you to group several semantically related columns together.
Indicates that this is the defining instance of the enclosed term.
generic language/style container
Indicates emphasis.
The fieldset element is used to group form fields. Only one legend element should occur in the content and if present should only be preceded by whitespace. NOTE this content model is different from the XHTML 1.0 DTD, closer to the intended content model in HTML4 DTD
Content model that is combined with a single title and an optional base elements in any order.
italic font
usemap points to a map element which may be in this document or an external document, although the latter is not widely supported
form control
Indicates text to be entered by the user.
Each label must not contain more than ONE field Label elements shouldn't be nested.
fieldset label
list item
Relationship values can be used in principle for document specific toolbars/menus when used with the link element in document head e.g. start, contents, previous, next, index, end, help to link to a separate style sheet (rel="stylesheet") to make a link to a script (rel="script") by stylesheets to control how collections of html nodes are rendered into printed documents to make a link to a printable version of this document e.g. a PostScript or PDF version (rel="alternate" media="print")
generic metainformation
alternate content container for non script-based rendering
Ordered (numbered) list
option group
selectable choice
param is used to supply a named property value. In XML it would seem natural to follow RDF and support an abbreviated syntax where the param elements are replaced by attribute value pairs on the object start tag.
content is "Inline" excluding "img|object|big|small|sub|sup"
Indicates an inlined quote
Designates sample output from programs, scripts, etc.
script statements, which may include CDATA sections
option selector
smaller font
generic language/style container
Indicates stronger emphasis.
style info, which may include CDATA sections
subscript
superscript
multi-line text field
The title element is not considered part of the flow of text. It should be displayed, for example as the page header or window title. Exactly one title is required per document.
fixed pitch font
Unordered list
Indicates an instance of a variable or program argument.
JavaScript language and browser API reference.
Not all browsers are made the same, browser fallbacks are a big part of css
Ruby language and standard library reference.
Get a subset of items or characters based on a range
Make an array of parts of a string based on a delimiter