Here's a fiddle: http://jsfiddle.net/yzq32cL7/
Bare in mind, it needs to run in Firefox and the warnings are visible in the native developer tools (not Firebug). On Sunday, August 17, 2014 8:02:45 PM UTC-4, Andrew Gallant wrote: > > Can you post example code that replicates this problem? I've never seen > it when you pass the container ID properly. > > On Sunday, August 17, 2014 12:37:23 PM UTC-4, Nathan Whittaker wrote: >> >> Sorry, I should mention that the container ID is previously passed in to >> the ChartWrapper's constructor. As you may have overlooked, the >> *opt_container_ref* parameter is optional (falling back to what was >> passed in for a container ID to the constructor). In the case that the >> parameter is absent, the API code is clearly passing an empty string to >> *document.getElementById*. In Firefox, this causes a JavaScript warning >> (not an error). Not a critical issue, but annoying. >> >> >> On Sunday, August 17, 2014 9:33:02 AM UTC-4, Andrew Gallant wrote: >>> >>> Yes, and it should pass that error. You cannot draw a chart if you do >>> not provide the target container's ID. >>> >>> On Saturday, August 16, 2014 9:26:24 PM UTC-4, Nathan Whittaker wrote: >>>> >>>> In Firefox (v31), if ChartWrapper.draw() is called without the >>>> *opt_container_ref* parameter defined, the following JavaScript >>>> warning is produced: "Empty string passed to getElementById()." The >>>> message >>>> is visible in Firefox's native developer tools. >>>> >>> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-visualization-api. For more options, visit https://groups.google.com/d/optout.
