option2.coffee

# general event handler
$.e = (selector, eventName, callback) ->
  $(document).on eventName, selector, (event) =>
    el = $(event.currentTarget)
    callback(event, el)

# click handler
$.click = (selector, callback) ->
  $.e selector, 'click', callback

# example usage
$.click '[showmodal]', (e, el) ->
  modal = $ el.attr('href')
  show modal