Answering my own question. Missed the optional 'context' parameter on the basic jQuery command. Works as advertised/expected.
On Jul 2, 6:39 am, NauticalMac <cmcnau...@gmail.com> wrote: > Starting to use jQuery having read 'jQuery in Action'. > Came across the following sysntax for sortable tables: > $('table.sortable').each(function() { > var $table = $(this); > $('th', $table).each(function(column) ..... > > Clearly the $('th', $table).each syntax results in traversing 'th' > elements that are descendants of each of the 'table.sortable' > elements. I'm missing where this syntax is documented and explained.