百度地图两坐标距离

百度地图两坐标距离（返回（米）单位）

var map = new BMap.Map("allmap");             
var point1 = new BMap.Point(116.493668,40.007015);  
var point2 = new BMap.Point(116.493237,40.009253);  
var distance = map.getDistance(point1,point2);
console.log(distance)