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问题描述
我有一个 HTML 表单,它的操作应该通过 JavaScript 动态设置.我该怎么做?
I have an HTML form whose action should be set dynamically through JavaScript. How do I do it?
这是我想要实现的目标:
Here is what I am trying to achieve:
<script type="text/javascript"> function get_action() { // Inside script tags return form_action; } </script> <form action=get_action()> ... </form> 推荐答案除了 onXXX 之外,您不能在标准 HTML 属性中调用 JavaScript 函数.只需在窗口加载期间分配它.
You cannot invoke JavaScript functions in standard HTML attributes other than onXXX. Just assign it during window onload.
<script type="text/javascript"> window.onload = function() { document.myform.action = get_action(); } function get_action() { return form_action; } </script> <form name="myform"> ... </form>你看到我给了表单一个 name,这样它就可以在 document 中轻松访问.
You see that I've given the form a name, so that it's easily accessible in document.
或者,您也可以在 submit 事件期间进行:
Alternatively, you can also do it during submit event:
<script type="text/javascript"> function get_action(form) { form.action = form_action; } </script> <form onsubmit="get_action(this);"> ... </form>更多推荐
如何通过 JavaScript 设置表单操作?
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