在表单重置后保持选中单选底默认值-角度6

<input type="radio" name="gender" value="male" checked> Male
<input type="radio" name="gender" value="female"> Female

document.addEventListener("DOMContentLoaded", function() {
  var form = document.getElementById("myForm"); // 替换为你的表单ID
  var defaultValues = {};

  // 保存默认值
  form.addEventListener("reset", function() {
    var radios = form.elements["gender"];
    for (var i = 0; i < radios.length; i++) {
      defaultValues[radios[i].name] = radios[i].checked;
    }
  });

  // 恢复默认值
  form.addEventListener("submit", function() {
    var radios = form.elements["gender"];
    for (var i = 0; i < radios.length; i++) {
      radios[i].checked = defaultValues[radios[i].name];
    }
  });
});