At the beginning, in supported property names definition I see this: "2.1. If element has an ID which is neither the empty string nor is in result, append element’s ID to result." << why this " empty ...
To access the div element from this HTMLCollection, the code keys into the HTMLCollection like an array to access the div element. To get the child elements of the div element, the code reads the ...
Assuming the DOM is as described in the snippet below, my requirement is to get a javascript array of all the child nodes of <code class="markup--code markup--p-code ...