1 <!DOCTYPE html> 2 <html> 3 ????<head> 4 ????????<meta charset="UTF-8"> 5 ????????<title></title> 6 ????????<script src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script> 7 ??????<script type="text/javascript"> 8 ????????????$(function(){ 9 ????????????????$("button").click(function(){10 ????????????????????alert($(":checkbox:checked").length);11 ?????????????????});12 ?????????????});13 ?????????</script>14 ????</head>15 ????<body>16 ???????????<input type="checkbox" name="test" />17 ???????????<input type="checkbox" name="test" />18 ???????????<input type="checkbox" name="test" />19 ???????????<input type="checkbox" name="test" />20 ???????????<input type="checkbox" name="test" />21 ???????????<input type="checkbox" name="test" />22 ????????<button>您选中的个数</button>23 ????</body>24 </html>运行结果：
jQuery ?--计算复选框被选中个数
原文地址：https://www.cnblogs.com/ChenMM/p/9481067.html