js获取action属性值

<form id="myForm" action="/submit">
  <!-- 表单内容 -->
</form>

<script>
  var form = document.getElementById('myForm');
  var actionValue = form.action;
  console.log(actionValue); // 输出: "/submit"
</script>

<form class="myFormClass" action="/submit">
  <!-- 表单内容 -->
</form>

<script>
  var form = document.querySelector('.myFormClass');
  var actionValue = form.action;
  console.log(actionValue); // 输出: "/submit"
</script>

<form class="myFormClass" action="/submit1"></form>
<form class="myFormClass" action="/submit2"></form>

<script>
  var forms = document.getElementsByClassName('myFormClass');
  for (var i = 0; i < forms.length; i++) {
    console.log(forms[i].action); // 输出: "/submit1" 和 "/submit2"
  }
</script>

document.addEventListener('DOMContentLoaded', function() {
  var form = document.getElementById('myForm');
  if (form) {
    console.log(form.action);
  } else {
    console.error('Form not found!');
  }
});