Select 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 elements are the elements which are allowed as
+ descendants of optgroup elements.
The following are optgroup element inner content elements:
+ +optionnoscriptdivOption element inner content elements are div and phrasing
+ content, except descendants which are datalist, object,
+ interactive content, or elements with the tabindex attribute specified.
select 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
option element have an associated non-replaced block-level CSS
box whose child boxes are as normal for non-replaced block-level
select element.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.select element.tabindex attribute
@@ -53601,7 +53659,7 @@ 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.autocomplete
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,
+ and must not be specified if the optgroup has a 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.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.
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.formhead 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
@@ -140406,10 +140529,19 @@ interface External {
divdl elementsdldl;
+ select element inner content elements;
+ optgroup element inner content elements;
+ option element inner content elements
+ HTMLDivElementhrHTMLHRElementlegendfieldsetfieldsetfieldset;
+ optgroupHTMLLegendElementhead*;
phrasing*optgroupselectoption;
- script-supporting elementsselect;
+ div*optgroup element inner content elements;
+ legend*disabled;
labeloptionselect;
datalist;
- optgroupoptgroup;
+ div*
+ disabled;
label;
@@ -141222,9 +141363,8 @@ interface External {
form-associated;
palpableoption;
- optgroup;
- script-supporting elementsbutton*autocomplete;
disabled;
@@ -141285,7 +141425,8 @@ interface External {
HTMLSpanElementoption;
+ optgroup;
+ hr;
+ script-supporting elements;
+ noscript;
+ div
+ option;
+ script-supporting elements;
+ noscript;
+ div
+ div
+ datalist, object,
+ interactive content, or elements with tabindex
+