WebPlatformDOMStringListinterface DOMStringListIndex Signatures ##[index: number]: stringProperties #readonly#length: numberReturns the number of strings in strings. Methods ##contains(string: string): booleanReturns true if strings contains string, and false otherwise. #item(index: number): string | nullReturns the string with index index from strings.
interface DOMStringListIndex Signatures ##[index: number]: stringProperties #readonly#length: numberReturns the number of strings in strings. Methods ##contains(string: string): booleanReturns true if strings contains string, and false otherwise. #item(index: number): string | nullReturns the string with index index from strings.