gistfile1.js

{
  initialize: function () {
    kb.on('ctrl + c',             this.trigger.bind(this, 'copy'));
    kb.on('command + c',          this.trigger.bind(this, 'copy'));
    kb.on('delete, backspace',    this.trigger.bind(this, 'delete'));
  },
  trigger: function (type, event, data) {
    if ($(':focus').length) { return; } // fix для того, чтобы 
    event.preventDefault();
    if ('copy' === type) { window.bufferCPE = []; }
    $('.js-canvas').find('.selected').each(function (i, el) {
      $(el).trigger(type);
    });
  }
}