如何设置复选框的默认值

<input type="checkbox" id="myCheckbox" checked>
<label for="myCheckbox">复选框</label>

<input type="checkbox" id="myCheckbox">
<label for="myCheckbox">复选框</label>

<script>
  document.getElementById("myCheckbox").checked = true;
</script>

<input type="checkbox" id="myCheckbox">
<label for="myCheckbox">复选框</label>

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script>
  $(document).ready(function(){
    $("#myCheckbox").prop("checked", true);
  });
</script>