js+dom获得单选选项htmlheadtitlejs+dom获得单选选项/titlescript languagejavascript type
js+dom获得单选选项
<html><head><title>js+dom获得单选选项</title><script language="javascript" type="text/javascript"> function hd(){ var obj = document.getElementsByName("One"); for(var i = 0;i < obj.length; i ++){ if(obj[i].checked){ alert(obj[i].value); } } } </script></head><body><label>A<input type="radio" value="A" name="One" id="One"/></label><label>B<input type="radio" value="B" name="One" id="One"/></label><label>C<input type="radio" value="C" name="One" id="One"/></label><label>D<input type="radio" value="D" name="One" id="One"/></label><input type="button" value="获得" onclick="hd()"/></body></html>