In this example http://iioengine.com/docs/iio-basics#this box shadow is an object that has no fillStyle and strokeStyle properties defined. Because of this Firefox emits warning "context: an attempt to set strokeStyle or fillStyle to a value that is neither a string, a CanvasGradient, or a CanvasPattern was ignored" in lines 1044, 1045 on each draw cycle. This slow downs animation and pollutes firebug console.
In Chromium there is no warning.
sbiermanlytle
commented
11 years ago
In this example http://iioengine.com/docs/iio-basics#this box shadow is an object that has no fillStyle and strokeStyle properties defined. Because of this Firefox emits warning "context: an attempt to set strokeStyle or fillStyle to a value that is neither a string, a CanvasGradient, or a CanvasPattern was ignored" in lines 1044, 1045 on each draw cycle. This slow downs animation and pollutes firebug console. In Chromium there is no warning.