function isEmptyTag(node) {
    if(node.constructor === Element && !node.hasChildNodes()) return true
    return Boolean(EMPTY_TAG_SET[node.tagName])
}
function isEmptyTag(node) {
    if(node.constructor === Element && !node.hasChildNodes()) return true
    return Boolean(EMPTY_TAG_SET[node.tagName])
}
function isEmptyTag ( node ) { if ( node . constructor === Element && ! node . hasChildNodes ( ) ) return true return Boolean ( EMPTY_TAG_SET [ node . tagName ] ) }
Check if the specified element has no end tag
@param node
@returns {boolean}
Check if the specified element has no end tag