jquery-placeholder.coffee

jquery-placeholder.coffee

define [
  'jquery'
], ($) ->

  $.support.placeholder = 'placeholder' of document.createElement('input')

  placeholder =

    listen: (container) ->
      container.find('[placeholder]').each (i, el) ->
        $el = $(el)
        value = $el.attr('placeholder')

        do ($el, value) ->
          $el.val(value) if not $el.val()
          $el.on 'focus', -> $el.val('') if $el.val() is value
          $el.on 'blur', -> $el.val(value) if not $el.val()

    serialize: (container) ->
      container.find('[placeholder]').each (i, el) ->
        $el = $(el)
        $el.val('') if $el.val() is $el.attr('placeholder')

  $.fn.placeholder = (fn='listen') ->
    if $.support.placeholder
      return this

    placeholder[fn](this)

    return this