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Interface CustomStateSet
interface CustomStateSet {
"[toStringTag]": string;
size: number;
"[iterator]"(): SetIterator<string>;
add(value: string): this;
clear(): void;
delete(value: string): boolean;
entries(): SetIterator<[string, string]>;
forEach(
callbackfn: (
value: string,
key: string,
parent: CustomStateSet,
) => void,
thisArg?: any,
): void;
has(value: string): boolean;
keys(): SetIterator<string>;
values(): SetIterator<string>;
}
"[toStringTag]": string;
size: number;
"[iterator]"(): SetIterator<string>;
add(value: string): this;
clear(): void;
delete(value: string): boolean;
entries(): SetIterator<[string, string]>;
forEach(
callbackfn: (
value: string,
key: string,
parent: CustomStateSet,
) => void,
thisArg?: any,
): void;
has(value: string): boolean;
keys(): SetIterator<string>;
values(): SetIterator<string>;
}
Hierarchy
- Set<string>
- CustomStateSet
Methods
[iterator]
-
Iterates over values in the set.
Returns SetIterator<string>
add
-
Appends a new element with a specified value to the end of the Set.
Parameters
- value: string
Returns this
clear
-
Removes all elements from the Set.
Returns void
delete
-
Removes a specified value from the Set.
Parameters
- value: string
Returns boolean
Returns true if an element in the Set existed and has been removed, or false if the element does not exist.
entries
-
Returns an iterable of [v,v] pairs for every value
vin the set.Returns SetIterator<[string, string]>
forEach
-
forEach(
callbackfn: (value: string, key: string, parent: CustomStateSet) => void,
thisArg?: any,
): voidParameters
- callbackfn: (value: string, key: string, parent: CustomStateSet) => void
OptionalthisArg: any
Returns void
has
-
Parameters
- value: string
Returns boolean
a boolean indicating whether an element with the specified value exists in the Set or not.
keys
-
Despite its name, returns an iterable of the values in the set.
Returns SetIterator<string>
values
-
Returns an iterable of values in the set.
Returns SetIterator<string>
The
CustomStateSetinterface of the Document Object Model stores a list of states for an autonomous custom element, and allows states to be added and removed from the set.MDN Reference