code: function MaterialBasic(element) {
      // Stores the element.
      this.element_ = element;
  
      console.log('***** ctor', this.element_.classList, 'data-upgraded', this.element_.getAttribute('data-upgraded'));
  
      // Initialize instance.
      this.init();
    }
docs: https://github.com/google/material-design-lite/issues/4205
  @constructor
  @param {Element} element The element that will be upgraded.