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DOMStringList

interface DOMStringList {

[index: number]: string;

readonly length: number;

contains(string: string): boolean;

item(index: number): string | null;

}

[index: number]: string

readonly length: number

Returns the number of strings in strings.

contains(string: string): boolean

Returns true if strings contains string, and false otherwise.

item(index: number): string | null

Returns the string with index index from strings.