Get current user location using html5

use html 5 to get current user location - 用 html5取得目前使用者的經緯度

by Alan Tsai

HTML

<button id="btnClickMe">
  取得目前經緯度
</button>

JavaScript

$(function() {
  $("#btnClickMe").click(function() {
    var nav = window.navigator;

    if (nav != null) {
      var geoloc = nav.geolocation;
      if (geoloc != null) {
        geoloc.getCurrentPosition(successCallback, failureCallback);

      }
    }

    function successCallback(position) {
      alert("lat: " + position.coords.latitude + ", long:" + position.coords.longitude);
    }

    function failureCallback(err) {
      alert("使用者不願意或者browser不支援")
    }
  })
})