gistfile1.js

jQuery.fn.restForm = function(type, options) {
  var defaults = {
    method: 'post',
    action: this.attr('href'),
    confirm: false,
    confirm_message: 'Are you sure?',
    trigger_on: 'click'
  };
  var opts = $.extend(defaults, options);

  this.bind(opts.trigger_on, function() {
    var $form = $('<form></form>').attr({
      method: opts.method,
      action: opts.action
    }).append('<input type="hidden" name="_method" value="' + type + '" />');

    if (opts.confirm && !confirm(opts.confirm_message)) {
      return false;
    }

    this.after($form);
    $form.submit();
    return false;
  });
};

$(function() {
  $('.put').restForm('PUT');
  $('.delete').restForm('DELETE', {confirm: true});
});