JS 如何获取radio或者checkbox选中后的值

时间：2023-12-09 15:10:49

废话不多说，直接上代码:

代码:

<!DOCTYPE html>

<html>

<head>

  <meta charset="UTF-8">

  <meta http-equiv="X-UA-Compatible" content="ie=edge">

  <title>JS 如何获取radio或者checkbox选中后的值</title>

</head>

<body>

  <p>单选框</p>

  <input type="radio" name="sex" value="man" id="man" checked onclick="inputChecked()">

  <label for="man">男</label>

  <input type="radio" name="sex" value="female" id="female" onclick="inputChecked()">

  <label for="female">女</label>

  <p>多选框</p>

  <input type="checkbox" name="fruits" value="apple" id="apple" checked onclick="inputChecked()">

  <label for="apple">苹果</label>

  <input type="checkbox" name="fruits" value="orange" id="orange" onclick="inputChecked()">

  <label for="orange">橙子</label>

  <script>

    inputChecked();

    function inputChecked() {

      var inputSelect = document.getElementsByTagName('input');

      var obj = {

          radio: [],

          checkbox: []

        },

        value = '';

      for (var i = 0, len = inputSelect.length; i < len; i++) {

        if (inputSelect[i].checked && inputSelect[i].type === 'radio') {

          obj.radio.push(inputSelect[i].value);

          value += '单选框：' + inputSelect[i].value + '\n';

        }

        if (inputSelect[i].checked && inputSelect[i].type === 'checkbox') {

          obj.checkbox.push(inputSelect[i].value);

          value += '多选框：' + inputSelect[i].value + '\n';

        }

      }

      alert(value);

      return obj;

    }

  </script>

</body>

</html>

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