jQuery获取多选框选中值的实现方法

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>www.jb51.net jQuery获取多选框的值</title>
    <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
  </head>
  <body>苹果:
    <input type="checkbox" name="id" value="aa">香蕉:
    <input type="checkbox" name="id" value="bb">橘子:
    <input type="checkbox" name="id" value="cc">
    <button id="btn">批量删除</button>
  </body>
  <script>
  $('#btn').click(function () {
    var id=[];
    $("input[name='id']:checked").each(function(){
      id.push($(this).val());
    });
    console.log(id);
  });
  </script>
</html>