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问题描述
我有一个HTML表单,该表单的操作应通过JavaScript动态设置.我该怎么办?
I have an HTML form whose action should be set dynamically through JavaScript. How do I do it?
这是我要实现的目标:
<script type="text/javascript"> function get_action() { // Inside script tags return form_action; } </script> <form action=get_action()> ... </form>推荐答案
您不能在onXXX之外的标准HTML属性中调用JavaScript函数.只需在窗口加载时分配它即可.
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>您看到我给了name表格,以便可以在document中轻松访问它.
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事件期间执行此操作:
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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