我试图在Web应用程序中使用Dygraphs。请参阅下面的简单代码。Dygraph不起作用
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>MyHtml.html</title>
<!--[if IE]>
<script type="text/javascript" src="/js/excanvas.js"></script>
<![endif]-->
<script type="text/javascript" src="/js/rgbcolor.js"></script>
<script type="text/javascript" src="http://dygraphs.com/dygraph-combined.js"></script>
<script type="text/javascript" src="/js/dygraph-combined.js"></script>
<script type="text/javascript" src="/js/dygraph.js"></script>
<script type="text/javascript" src="/js/CanvasRenderingContext2D.js"></script>
</head>
<body>
<div id="graphdiv"></div>
<script type="text/javascript">
g = new Dygraph(
document.getElementById("graphdiv"), "Date,Temperature\n" + "2008-05-07,75\n" + "2008-05-08,70\n" + "2008-05-09,80\n");
</script>
</body>
</html>
如果包括我行 类型=“文/ JavaScript的” SRC =“http://dygraphs.com/dygraph-combined.js” 与脚本它在Firefox和Chrome,它工作正常不会在IE中工作,它会给出错误,如'CanvasRenderingContext2D'未定义。如果我下载了dygraph-combined.js并将其包含在我的Web应用程序中,并通过提供路径访问它,它不会在所有三种浏览器中都能正常工作,它会给出Dygraph未定义的错误消息。请帮帮我。我想知道为什么会发生这种情况。