Question

问候开发人员，目前我正在学习JavaScript。我尝试做两个按钮，一个用于添加，另一个用于取消禁用。一旦单击添加它显示提示框输入主题。输入主题后，unfriend框应该能够单击并添加按钮disable。我的问题是现在我的所有功能都不起作用。按钮仍然相同。我认为这是由于form.developers请帮助我知道我在编码方面的错误。

function disableButton(btn) {
  var subject = prompt("Please enter Subject that want to study");
  if (subject != null) {
    form['subject'].value = subject;
    document.getElementById("btn").disabled = true;
    document.getElementById("add").disabled = false;
    document.getElementById("btn").value = "request sent";
  }
}

function disableButton(add) {
  document.getElementById("add").disabled = true;
  document.getElementById("btn").disabled = false;
  document.getElementById("btn").value = "Add friend";
  form.submit();
}

<html>

<body>
  <form method="post" id="form" enctype="multipart/form-data" autocomplete="off" onSubmit="disableButton(btn);return false;">
    <input type="hidden" id="subject" name="subject" />
    <input type="submit" value="unfriend" id="add" onClick="ableButton(add)" disabled/>
    <input type="submit" value="add" id="btn" id="btn" />
  </form>
</body>

</html>

按钮禁用在窗体内不起作用

0 个答案: