纯JavaScript实现弹出选择第几个单选按钮
1 <div id="a" name="aa"> 2 <input type="radio" name="aab" value="22" /> 3 <input type="radio" name="aab" value="22" /> 4 <input type="radio" name="aab" value="22" /> 5 <input type="radio" name="aab" value="22" /> 6 </div> 7 8 <script type="text/javascript"> 9 var list = document.getElementById("a").children; 10 for (var i = 0; i < list.length; i++) { 11 list[i].attributes["index"] = i + 1; 12 list[i].onclick = function () { 13 alert(this.attributes["index"]); 14 } 15 } 16 </script>