"click on a button, do something to an object value and display a result"
html div
  class: 'validate';
  with: [
    "( html button )
    bePush;
    class: 'incrementButton';
    onClick: 	(
      ( html jQuery id: 'thisIsMyDiv' ) load
        html: [ :canvas | self counter increment. self renderMyCounterOn: canvas ]
      );"
    with: 'Increment Count'
  ].

html horizontalRule.

html div
  id: 'thisIsMyDiv';
  with: [
    self renderMyCounterOn: html.
  ].