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1 2 3 4 5 6 7 | 1x 834x 861x 19x 1x 1x | export const isNode = arg => arg && 'nodeName' in arg; export const isElement = arg => arg && 'tagName' in arg; export const isParentNode = arg => arg && 'childNodes' in arg; export const isTextNode = arg => arg && arg.nodeName === '#text'; export const isCommentNode = arg => arg && arg.nodeName === '#comment'; export const isDocumentFragment = arg => arg && arg.nodeName === '#document-fragment'; |