Polyfills

babel-polifill

Array

https://github.com/zloirock/core-js#index

Element

if (Element.prototype.getAttributeNames == undefined) {
  Element.prototype.getAttributeNames = function () {
    var attributes = this.attributes;
    var length = attributes.length;
    var result = new Array(length);
    for (var i = 0; i < length; i++) {
      result[i] = attributes[i].name;
    }
    return result;
  };
}

参考资料

https://udn.realityripple.com/docs/Web/API/Element/getAttributeNames
https://runebook.dev/zh/docs/dom/element/getattributenames