Map a function over some or all child elements of a given element.
This is a small convenience function for mapping a function over
some or all of the children of an element. If elemName is null, all
children will be passed to the function, otherwise only children
whose tag names match elemName will be passed.
Parameters
elem: Element
The element to operate on.
elemName: string
The child element tag name filter.
func: (child:Element)=>void
The function to apply to each child. This
function should take a single argument, a DOM element.
Map a function over some or all child elements of a given element.
This is a small convenience function for mapping a function over some or all of the children of an element. If elemName is null, all children will be passed to the function, otherwise only children whose tag names match elemName will be passed.