我尝试使用 amMaps 库来创建地图。这是我的代码:
<body>
<div id="chardiv"></div>
<script src="https://www.amcharts.com/lib/4/core.js"></script>
<script src="https://www.amcharts.com/lib/4/maps.js"></script>
<script src="https://www.amcharts.com/lib/4/geodata/worldLow.js"></script>
<script>
var map = am4core.create("chardiv", am4maps.MapChart);
map.geodata = am4geodata_worldLow;
</script>
</body>
结果,我得到了一个带有 amCharts 标志的透明 div 块。我做错什么了?