window.DocumentFragment
See: Web APIs - DocumentFragment
childElementCount : number
Read only A number representing the number of children of the element.
See: DocumentFragment - childElementCount
querySelector(selector)
Returns the first Element node within the DocumentFragment matching the selector string
Returns: Element
See: DocumentFragment - querySelector  
| Param | Type | Description | 
|---|---|---|
| selector | string | A string containing one or more CSS selectors separated by commas | 
querySelectorAll(selector)
Returns the list of nodes within the DocumentFragment matcthing the selectors
Returns: NodeList
See: DocumentFragment - querySelectorAll  
| Param | Type | Description | 
|---|---|---|
| selector | string | A string containing one or more CSS selectors separated by commas | 
append(...args)
inserts a set of Node objects or string objects after the last child of the document fragment
See: DocumentFragment - append
| Param | Type | Description | 
|---|---|---|
| ...args | any | A set of Node or string objects to insert. |