js 中 函数的返回值问题

mac2022-06-30  58

var result=''; function searchByStationName( address ) { // map.clearOverlays();//清空原来的标注 var keyword = address ; localSearch.setSearchCompleteCallback(function (searchResult) { var poi = searchResult.getPoi(0); result = poi.point.lng + "," + poi.point.lat; }); localSearch.search(keyword); return result ; }

  请教大侠们,如上方法是为了实现根据地址查询经纬度,但测试发现返回值为"";

为何 result = poi.point.lng + "," + poi.point.lat;     这句代码没有实现为result赋值呢?

转载于:https://www.cnblogs.com/ForStudyAlways/p/4792451.html

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