Copy pageCopy pageCopy this page as Markdown for LLMsView as MarkdownView this page as plain textOpen in ClaudeAsk questions about this pageOpen in ChatGPTAsk questions about this pageOn this pageCSSNumericArray-1CSSNumericArray: {(): CSSNumericArray; prototype: CSSNumericArray;}; Type Declaration Returns CSSNumericArray prototype prototype: CSSNumericArray;