Tip: you can modify some code before running
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>Js get radio button value code</title></head><body><form id="form1" name="form1" method="post" action=""> <p> <label> <input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_0" />Single choice</label> <br /> <label> <input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_1" />Single choice</label> <br /> <label> <input name="RadioGroup1" type="radio" id="RadioGroup1_2" value="单选" />Single choice</label> <br /> <label> <input type="radio" name="RadioGroup1" value="单选" id="RadioGroup1_3" />Single choice</label> <input type="submit" name="button" id="button" value="提交" onclick="javascript:return checksubmit()" /> <br /> </p></form><script>function checksubmit(){if( GetRadioValue('RadioGroup1') ){alert('有选');}else{alert('没选');}}function GetRadioValue(RadioName){ var obj; obj=document.getElementsByName(RadioName); if(obj!=null){ var i; for(i=0;i<obj.length;i++){ if(obj[i].checked){ return obj[i].value; } } } return null;}</script></body></html>
Tip: you can modify some code before running