<canvas height="50" width="100%">
<simplelayout/>
<view name="myview" height="30" width="30" bgcolor="blue"/>
<button>
Make red the blue box!
<handler name="onclick" method="redify"/>
<method name="redify" args="v">
parent.myview.setAttribute("bgcolor", "red")
parent.myview.setAttribute("bgcolor", "black")
</method>
</button>
</canvas>
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