标签：click -- info UNC button checkbox doctype jquery check
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：
标签：click -- info UNC button checkbox doctype jquery check
原文地址：https://www.cnblogs.com/ChenMM/p/9481067.html
