This method is similar to ractive.find(), with two important differences. Firstly, it returns a list of elements matching the selector, rather than a single node. Secondly, it can return a live list, which will stay in sync with the DOM as it continues to update.
ractive.findAll( selector[, options ] )
A CSS selector representing the elements we want to be in our collection
false. Whether to return a live list or a static one.