1 <!DOCTYPE HTML> 2 <html> 3 <meta charset="UTF-8"> 4 <meta name="viewport" content="width=device-width, initial-scale=1,user-scalable=no" /> 5 <head> 6 <title>单选按钮de选中与取消</title> 7 </head> 8 <body> 9 <form> 10 <!--当name相同时，单选框的只会选择你最后点击的那个框--> 11 <input type="radio" name="name" value="Internet Explorer">IE<br /> 12 <input type="radio" name="name" value="Firefox">谷歌<br /> 13 <input type="radio" name="name2" value="Netscape">火狐<br /> 14 <input type="radio" name="name3" value="Opera">Opera<br /> 15 </form> 16 17 </body> 18 <script src="https://code.jquery.com/jquery-3.0.0.min.js"></script> 19 <script type="text/javascript"> 20 $(function(){ 21 $('input:radio').click(function(){ 22 //alert(this.checked); 23 24 var domName = $(this).attr('name'); 25 26 var $radio = $(this); 27 // if this was previously checked 28 if ($radio.data('waschecked') == true){ 29 $radio.prop('checked', false); 30 $("input:radio[name='" + domName + "']").data('waschecked',false); 31 //$radio.data('waschecked', false); 32 } else { 33 $radio.prop('checked', true); 34 $("input:radio[name='" + domName + "']").data('waschecked',false); 35 $radio.data('waschecked', true); 36 } 37 }); 38 }); 39 </script> 40 </html>