As bdt101 mentioned here[1], the way they're using Array.prototype.slice.call is supported by IE8. It is not supported when trying to slice a NodeList, as a Nod

As bdt101 mentioned here[1], the way they're using Array.prototype.slice.call is supported by IE8. It is not supported when trying to slice a NodeList, as a NodeList is not a JScript object. 1 - https://news.ycombinator.com/item?id=5424874 https://news.ycombinator.com/item?id=5424874