just minor changes
removed implicit global
added some question from shutterstock interview
added link for future read
added placeholder for three questions
added initial code for click destroyer
added some placeholder
added my fav flatten an array
some more question from career cup
added some text for destroy button
added double button example
wrapped list destroy under show example
update destroy list item
added code example by value or by ref
added question for creating layout
some litle addition to js2
added follow up question
added another mockup to code
one more layout and js question to discuss
all text in page