NuclearDispersionSystem/ant-design-vue-jeecg/node_modules/ant-design-vue/es/vc-util/Dom/contains.js

export default function contains(root, n) {
  var node = n;
  while (node) {
    if (node === root) {
      return true;
    }
    node = node.parentNode;
  }

  return false;
}