Can you please give us some more information like data/options, width and height of its container so that we can reproduce the issue? Even a JSFiddle should help.
The form values are of string type and hence y is assigned a string when you directly use those variables. But when you try to multiply the same by 1, JavaScript runtime converts those values into numbers before multiplying and the resulting value will also be a number. That is the reason why it works fine.
I just tried in on IE9 and it is working fine. Did you try with actual IE9 installation or via IE10’s Browser Mode? And may I know your system configuration?
March 6, 2014 at 10:38 pm
in reply to: Invoice#6057
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In the latest version you can just call render method whenever its container’s size changes and the chart readjusts its size (only if required) and also redraws the chart to fit the new size. You can also explicitly set width and height (in pixels) of chart in chart options and call render method to update its size.