jquery 和动态表单有帮助吗？

发布于 2024-12-02 02:26:55 字数 722 浏览 0 评论 0原文

我对 jquery 很陌生，我正在尝试按以下方式制作动态表单（但它不起作用）。我希望表单的初始值为“hello”，如标题区域中所述。

我知道您可以使用 html （使用 value 参数）轻松完成此操作，但我心中有一个更大的目标，要求该值是动态的。

无论如何，我似乎无法让它工作，所以请帮忙。谢谢。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
    <title>Logging In Test</title>
    <script type = "text/javascript" src="{{ STATIC_URL }}js/jquery.js">
    var value = "hello";
    $('#login [name=firstname]').val(value)
    </script>
</head>
<body>
<form id="login">
    <input type = "text" name="firstname">
</form>
</body>
</html>

谢谢。！

原文

I'm very new to jquery, and I'm trying to make a dynamic form in the following manner (and its not working). I want the form to have an initial value of "hello" as stated in the header region.

I understand that you can do this easily with html (with the value parameter), but I have a much larger goal in mind that requires the value to be dynamic.

Anyway, I just can't seem to get it to work, so help please. Thank you.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
    <title>Logging In Test</title>
    <script type = "text/javascript" src="{{ STATIC_URL }}js/jquery.js">
    var value = "hello";
    $('#login [name=firstname]').val(value)
    </script>
</head>
<body>
<form id="login">
    <input type = "text" name="firstname">
</form>
</body>
</html>

Thank you.!

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北凤男飞 2024-12-09 02:26:55

使用 $(document).ready(); http://api.jquery.com /准备好/
喜欢

$(document).ready(function(){
    var value = "hello";
    $('#login [name=firstname]').val(value)
});

在文档完全加载并且正确创建 DOM 后设置初始值

use $(document).ready(); http://api.jquery.com/ready/
like

$(document).ready(function(){
    var value = "hello";
    $('#login [name=firstname]').val(value)
});

to set initial values after document fully loads and DOM is created properly

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烂柯人 2024-12-09 02:26:55

插入 jquery 的方式和时间存在问题，请尝试以下操作：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
    <title>Logging In Test</title>
</head>
<body>
<form id="login">
    <input type = "text" name="firstname">
</form>



<script type = "text/javascript" src="{{ STATIC_URL }}js/jquery.js"></script>
<script type = "text/javascript">
    var value = "hello";
    $('#login [name=firstname]').val(value)
</script>
</body>
</html>

there is a problem with how and when you insert jquery try the following:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
    <title>Logging In Test</title>
</head>
<body>
<form id="login">
    <input type = "text" name="firstname">
</form>



<script type = "text/javascript" src="{{ STATIC_URL }}js/jquery.js"></script>
<script type = "text/javascript">
    var value = "hello";
    $('#login [name=firstname]').val(value)
</script>
</body>
</html>

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