创建radiogroup:
<radiogroup id="test" oncommand="testfunc();">
<radio id="test1" label="test1" value="1"/>
<radio id="test2" label="test2" value="0"/>
<radio id="test3" label="test3" value="2"/>
</radiogroup>
js 初始化 test3选中:
document.getElementById("test").selectedIndex = 2;