ElementInternals.states
The states
read-only property of the ElementInternals
interface returns a CustomStateSet
representing the possible states of the custom element.
Value
A CustomStateSet
which is a Set
of strings.
Examples
The following function adds and removes the state --checked
to a CustomStateSet
, then prints to the console true
or false
as the custom checkbox is checked or unchecked.
set checked(flag) {
if (flag) {
this._internals.states.add('--checked');
} else {
this._internals.states.delete('--checked');
}
console.log(this._internals.states.has('--checked'));
}
Specifications
Specification |
---|
Custom State Pseudo Class # dom-elementinternals-states |
Browser compatibility
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