我想在用户成功提交表单后递增表单编号。有没有办法通过JavaScript或jQuery来增加它。
<form action="">
form no:1<br>
First name:<br>
<input type="text" name="firstname" value ="">
<br>
Last name:<br>
<input type="text" name="lastname">
<button type="submit" onclick="">Submit</button>
</form>
我会建议这样的事情:
$(function () {
$("form").submit(function () {
$.post("url", $(this).serialize(), function () {
$("#count").text(parseInt($("#count").text() + 1);
});
return false;
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form action="">
form no: <span id="count">1</span><br>
First name:<br>
<input type="text" name="firstname" value ="">
<br>
Last name:<br>
<input type="text" name="lastname">
<button type="submit" onclick="increment();">Submit</button>
</form>