docs: function removeElData(el) {
    var id = el[elIdAttr];
  
    if (!id) {
      return;
    }
  
    // Remove all stored data
    delete elData[id];
  
    // Remove the elIdAttr property from the DOM node
    try {
      delete el[elIdAttr];
    } catch (e) {
      if (el.removeAttribute) {
        el.removeAttribute(elIdAttr);
      } else {
        // IE doesn't appear to support removeAttribute on the document element
        el[elIdAttr] = null;
      }
    }
  }