code: function lload(cardId) {
    'use strict';
  
    var nodes = window.document.querySelectorAll('#' + cardId + ' [data-src]');
  
    if (nodes.length === undefined) {
      nodes = [nodes];
    }
  
    var i = 0,
      len = nodes.length,
      node;
  
    for (i; i < len; i += 1) {
      node = nodes[i];
      node[node.tagName !== 'LINK' ? 'src' : 'href'] = node.getAttribute('data-src');
      node.removeAttribute('data-src');
    }
  
    return nodes;
  }
docs: /* global data