有什么区别吗：
<form action="">
和：
<form action=".">
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表单的action属性为""和action属性为"."的区别是什么？
原标题：
最佳回答
empty string normally indicates current url (e.g., http://example.com/a/test.html)
. - current directory (e.g., http://example.com/a/)
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