From 1b8d37e5804fb3ed2d8b3270e4a4a66b0a258e4d Mon Sep 17 00:00:00 2001 From: Dan Vanderkam Date: Mon, 21 Mar 2011 12:43:08 -0400 Subject: [PATCH] update IE notes --- docs/index.html | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/docs/index.html b/docs/index.html index 772ab2c..c5917ce 100644 --- a/docs/index.html +++ b/docs/index.html @@ -358,9 +358,15 @@

Internet Explorer Compatibility

-

The dygraphs library relies heavily on HTML's <canvas> tag, which Microsoft Internet Explorer does not support. Fortunately, some clever engineers created the excanvas library, which implements the <canvas> tag in IE using VML.

+

The dygraphs library relies heavily on the HTML5 <canvas> tag, which Microsoft Internet Explorer did not traditionally support. To use Microsoft's native canvas implementation in IE9, you need to set an HTML5 doctype on your page:

-

You can add IE support to any page using dygraphs by including the following in your page:

+ 
+      <!DOCTYPE html> 
+
+ +

When IE9 is in HTML5 mode, dygraphs works just like in other modern browsers.

+ +

If you want to support previous versions of Internet Explorer (IE6–IE8), you'll need to include the excanvas library, which emulates the <canvas> tag using VML. You can add excanvas by including this snippet:

 <head>
@@ -368,7 +374,7 @@
 </head>
-

This works quite well in practice. Charts are responsive, even under VML emulation.

+

While this sounds like it would be slow, it works well in practice for most charts.

One common gotcha to look out for: make sure you don't have any trailing commas in parameter lists, e.g.

-- 2.7.4