infobox.prototype=new google.maps.overlayview()错误,未定义google

infobox.prototype = new google.maps.overlayview() error, google is not defined

本文关键字:google 错误 未定义 maps prototype new infobox overlayview      更新时间:2023-09-26

嗨,我在infobox.js中得到了"谷歌未定义"这个错误,并显示错误在中

infobox.prototype = new google.maps.overlayview()

这是我的HTML代码,希望我能把库包含进去。

<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div id="map"></div> 
<script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB9Mpf-bWJn8ym13pLnRdHSNHymRrvOuiw&callback=initMap">
</script>
<script src="library/infobox.js" type="text/javascript"></script> 
<script src="script.js"></script>  
</body>
</html>

我调用了script.js文件中的谷歌地图API和infobox.js。提前感谢!

当您调用OverlayView构造函数时,仍然没有加载谷歌地图。无需异步、延迟和回调即可调用:

<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB9Mpf-bWJn8ym13pLnRdHSNHymRrvOuiw"></script>

并且它是区分大小写的,因此:infobox.prototype = new google.maps.OverlayView()