select element inner content elementsselect element inner content elements are the elements which are
+ allowed as descendants of select elements.
The following are select element inner content elements:
optionoptgrouphrnoscriptdivoptgroup element inner content elementsoptgroup element inner content elements are the elements which are
+ allowed as descendants of optgroup elements.
The following are optgroup element inner content elements:
optionnoscriptdivoption element inner content elementsoption element inner content elements are the elements which are
+ allowed as descendants of option elements.
The following are option element inner content elements:
divThe following are excluded from option element inner content
+ elements:
datalistobjecttabindex attribute specifiedselect elements have an associated non-replaced inline CSS box
whose child boxes include only those of optgroup and option element
- child nodes;
optgroup elements have an associated non-replaced block-level CSS
- box whose child boxes include only those of option element child nodes;
- and
option element descendant
+ nodes; and
the option element have an associated non-replaced block-level CSS
box whose child boxes are as normal for non-replaced block-level
select element inner content elements.select element.select element inner content elements.optgroup element inner content elements.option element inner content elements.dl element.dl element: one or more dt elements followed by one or more dd elements, optionally intermixed with script-supporting elements.dl element: flow content.option element: Zero or more
+ option element inner content elements.optgroup element: Zero or more
+ optgroup element inner content elements.select element: Zero or more
+ select element inner content elements.option element: Zero or more
+ option element inner content elements, except div
+ elements.select element.tabindex attribute
@@ -53577,9 +53659,10 @@ interface HTMLButtonElement : HTMLElement {
type attribute is in the Auto state and both the Autocommand and commandfor content attributes are not present;
+ data-x="attr-button-commandfor">commandfor content attributes are not present, and the
+ parent node is not a select element;
or
the A custom command keyword is a string that
starts with " If a A The first child type attribute is in the HTMLButtonElement : HTMLElement {
--".button element is the first child
+ which is an element of a select element, then it is
+ inert.button element element's activation behavior given
@@ -53968,7 +54055,9 @@ interface HTMLButtonElement : HTMLElement {
option, optgroup, hr, and script-supporting elements.button element if the select is a drop-down
+ box followed by zero or more select element inner content
+ elements.autocompletebutton element as allowed by the content model of
+ select is not a submit button. It is used to replace the in-page rendering of the
+ select element. Its form submission behavior is prevented because it has inert set
+ in the UA stylesheet.The
@@ -54714,11 +54810,12 @@ interface HTMLDataListElement : HTMLElement {
datalist element
select element inner content elements.select element.select element.option and script-supporting elements.legend element followed by zero or more optgroup
+ element inner content elements.disabledoption elements together.
The label
- attribute must be specified. Its value gives the name of the group, for the purposes of the user
- interface. User agents should use this attribute's value when labeling the group of
- option elements in a select element.
optgroup has no child legend
+ element.
To get an optgroup element's label,
+ given an optgroup optgroup:
If optgroup has a child legend element, then return the result of
+ stripping and collapsing ASCII
+ whitespace from the concatenation of data of all the
+ Text node descendants of optgroup's first child legend
+ element, in tree order, excluding any that are descendants of descendants of the
+ legend that are themselves script or SVG
+ script elements.
Otherwise, return the value of optgroup's label attribute.
The value of the optgroup label
+ algorithm gives the name of the group, for the purposes of the user interface. User agends should use this attribute's value when labeling the group of
+ option elements in a select element.
There is no way to select an optgroup element. Only
option elements can be selected. An optgroup element merely provides a
label for a group of option elements.
select element inner content elements.optgroup element inner content elements.select element.select element.datalist element.optgroup element.optgroup element.label attribute and a value attribute: Nothing.label attribute but no value attribute: Text.label attribute and is not a
- child of a datalist element: Text that is not
- inter-element whitespace.label attribute and is a child
- of a datalist element: Text.datalist element: Zero or more option element
+ inner content elements.
+ label attribute and is a
+ descendant of a datalist element: Text.disabledThe value
attribute provides a value for element. The value of an
option element is the value of the value
- content attribute, if there is one, or, if there is not, the value of the element's text IDL attribute.
The selected
attribute is a boolean attribute. It represents the default HTMLOptionElement : HTMLElement {
IDL attribute must return the element's index.
The text IDL
- attribute, on getting, must return the result of stripping and collapsing ASCII whitespace from the concatenation of data of all the Text node descendants of the
- option element, in tree order, excluding any that are descendants of
- descendants of the option element that are themselves script or
- SVG script elements.
The text attribute's setter must string replace
all with the given value within this element.
Return option.
To collect option text, given an option element option and a
+ boolean includeAltText:
Let text be the empty string.
For each descendant of option in tree order:
+ +If descendant is a script or SVG
+ script element, then continue skipping all descendants of descendant.
If descendant is a Text node, then set text to the
+ concatenation of text and descendant's data.
If descendant is an img element and includeAltText is
+ true, then:
If the value of descendant's alt
+ attribute is not empty, then set text to the concatenation of text,
+ " ", the value of descendant's alt attribute, and " ".
Continue skipping all descendants of + descendant.
Return the result of strip and collapse ASCII whitespace given + text.
When no value attribute is set on the
+ option element, its text contents are used to generate a submittable value. In the
+ case that the option element has child elements, this can lead to unexpected results
+ such as option elements which render differently but have the same value. In order
+ to address this, setting the value attribute on
+ option elements is recommended.
fieldset element.optgroup element.optgroup element: Phrasing content,
+ but there must be no interactive content and no descendant with the tabindex attribute.The legend element represents a caption for the rest of the contents
of the legend element's parent fieldset element, if
- any.
legend has a parent optgroup element, then
+ the legend represents the optgroup's label.
legend.formselect element inner content elements.optgroup element inner content elements.head element of an HTML document, if there are no ancestor noscript elements.noscript elements.optgroup element children
providing headers for groups of options where applicable.
- An optgroup element is expected to be rendered by displaying the element's label attribute.
An optgroup element is expected to be rendered by displaying the element's label.
An option element is expected to be rendered by displaying the element's label, indented under its optgroup element if it
- has one.
An option element is expected to be rendered by displaying the result of
+ collect option text given the option and true, indented under its
+ optgroup element if it has one.
Each sequence of one or more child hr element siblings may be rendered as a single
separator.
divdl elementsselect element inner content elements;
+ optgroup element inner content elements;
+ option element inner content elements
dldl;
+ select element inner content elements;
+ optgroup element inner content elements;
+ option element inner content elements
+ select element inner content elements*;
+ optgroup element inner content elements*;
+ option element inner content elements*HTMLDivElementhrselect element inner content elementsselect element inner content elementsHTMLHRElementlegendfieldsetfieldsetfieldset;
+ optgroupHTMLLegendElementselect element inner content elements;
+ optgroup element inner content elements
head*;
phrasing*optgroupselectoption;
- script-supporting elementsselect element inner content elementsselect;
+ div*optgroup element inner content elementslegend*disabled;
labeloptionselect element inner content elements;
+ optgroup element inner content elementsselect;
datalist;
- optgroupoptgroup;
+ div*
+ option element inner content elements*disabled;
label;
@@ -142917,9 +143105,8 @@ interface External {
form-associated;
palpableoption;
- optgroup;
- script-supporting elementsselect element inner content elements;
+ button*autocomplete;
disabled;
@@ -142980,7 +143167,8 @@ interface External {
option element inner content elements*HTMLSpanElementselect element inner content elements
+ option;
+ optgroup;
+ hr;
+ script-supporting elements;
+ noscript;
+ div
+ optgroup element inner content elements
+ option;
+ script-supporting elements;
+ noscript;
+ div
+ option element inner content elements
+ div
+ datalist, object,
+ interactive content, or elements with tabindex
+