children()

Returns the immediate children (inner HTML) of one or more HTML elements, which can be:

The elements that match the selector of a script (see results).
One element that matches the selector of a script that runs for "Each matched element" (see this and Setting the scope of a script).
The elements returned by a query in the template (see query()).

This script retrieves the inner HTML of an element selected from a snippet.

Copy

var snippet = loadhtml('snippets/snippet.html','#foobar').children(); 
results.append(snippet);

The following script retrieves the inner HTML of the elements and then performs a find/replace.

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var snippet = loadhtml('snippets/snippet.html','#foobar').children(); 
snippet.find('@firstname@').text('foobar'); 
results.append(snippet);