javascript 点击按钮时,通过Jquery选中和取消选中多个单选按钮

waxmsbnn  于 2023-02-21  发布在  Java
关注(0)|答案(2)|浏览(112)

根据图像,我想检查和取消检查单选按钮,因为所有存在和所有缺席。我写了一些代码,但它只工作一次。

$(document).on('click', '#btn_all_absent', function(e){

                $("input:radio[class^=present]").each(function(i) {
                    $(this).attr('checked',false);
                });

                $("input:radio[class^=absent]").each(function(i) {
                    $(this).attr('checked',true);
                });
            }); 

            $(document).on('click', '#btn_all_present', function(e){
                
                $("input:radio[class^=absent]").each(function(i) {
                    $(this).attr('checked',false);
                });

                $("input:radio[class^=present]").each(function(i) {
                    $(this).attr('checked',true);
                });
            });

请指出我哪里错了.

niknxzdl

niknxzdl1#

您的代码在这方面运行良好。

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.3/jquery.min.js"></script>
  </head>
  <body>
    <div>
      <button id="btn_all_present"></button>
      <input type="radio" class="present" />
      <input type="radio" class="present" />
      <input type="radio" class="present" />
      <input type="radio" class="present" />
      <input type="radio" class="present" />
      <input type="radio" class="present" />
      <input type="radio" class="present" />
    </div>
    <br />
    <button id="btn_all_absent"></button>
    <div>
      ABSENT
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
      <input type="radio" class="absent" />
    </div>
  </body>
  <script>
    $(document).on("click", "#btn_all_absent", function (e) {
      $("input:radio[class^=present]").each(function (i) {
        $(this).attr("checked", false);
      });

      $("input:radio[class^=absent]").each(function (i) {
        $(this).attr("checked", true);
      });
    });

    $(document).on("click", "#btn_all_present", function (e) {
      $("input:radio[class^=absent]").each(function (i) {
        $(this).attr("checked", false);
      });

      $("input:radio[class^=present]").each(function (i) {
        $(this).attr("checked", true);
      });
    });
  </script>
</html>
shstlldc

shstlldc2#

对我来说就是这样。

$(document).on('click', '#btn_all_absent', function(e){
                $("input:radio[class^=present]").prop('checked', false);
                $("input:radio[class^=absent]").prop('checked', true);
            });

            $(document).on('click', '#btn_all_present', function(e){
                $("input:radio[class^=absent]").prop('checked', false);
                $("input:radio[class^=present]").prop('checked', true);
            });

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