Leafletjs显示我的位置标记，而不是硬编码的位置

<link rel="stylesheet" href="https://unpkg.com/leaflet/dist/leaflet.css" />
<script src="https://unpkg.com/leaflet/dist/leaflet.js"></script>

<div id="map" style="width: 100%; height: 400px;"></div>

// 初始化地图
var map = L.map('map').setView([0, 0], 13);

// 添加地图图层
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors',
  maxZoom: 18,
}).addTo(map);

// 获取当前位置并在地图上显示标记
navigator.geolocation.getCurrentPosition(function(position) {
  var lat = position.coords.latitude;
  var lng = position.coords.longitude;
  
  L.marker([lat, lng]).addTo(map)
    .bindPopup('Your Location')
    .openPopup();
});