function isFn(value) {
 const type = Object.prototype.toString.call(value);
 return type === '[object Function]';
}
function isNode(value) {
 return value !== undefined && value instanceof HTMLElement && value.nodeType === 1;
}

function listenNode(node, type, callback) {
 node.addEventListener(type, callback);
 return {
  destroy() {
   node.removeEventListener(type, callback);
  },
 };
}

function addListener(target, type, callback) {
 if (!target && !type && !callback) {
  throw new Error('缺少参数');
 }
 if (!isFn(callback)) {
  throw new TypeError('Third argument must be a Function');
 }
 if (isNode(target)) {
  return listenNode(target, type, callback);
 }
 throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');
}

function listenNodeList(nodeList, type, callback) {
 Array.prototype.forEach.call(nodeList, node => {
  node.addEventListener(type, callback);
 });

 return {
  destroy() {
   Array.prototype.forEach.call(nodeList, node => {
    node.removeEventListener(type, callback);
   });
  },
 };
}
module.exports = listener;

mounted() {
 window.addEventListener("scroll", this.setHeadPosition, true);
},

destroyed() {
 window.removeEventListener("scroll", this.setHeadPosition, true);
},