Submit HTML form on self page

Question

I want an HTML form to submit to itself  How do I use the action attribute     lt form action    gt   lt form action     gt   lt form action  some address  gt   lt form gt    Which was is preferable

User · Answer

Use      lt form action     method  post  gt    It will send the user back to the same page

User · Answer

If you are submitting a form using php be sure to use   action   lt  php echo htmlspecialchars   SERVER  PHP SELF      gt     for security

User · Answer

In 2013  with all the HTML5 stuff  you can just omit the  action  attribute to self-submit a form   lt form gt    Actually  the Form Submission subsection of the current HTML5 draft does not allow action     empty attribute   It is against the specification   From this other Stack nbsp Overflow answer

User · Answer

You can do it using the same page on the action attribute  action   lt yourpage gt

User · Answer

You can leave action attribute blank  The form will automatically submit itself in the same page    lt form action    gt    According to the w3c specification  action attribute must be non-empty valid url in general  There is also an explanation for some situations in which the action attribute may be left empty      The action of an element is the value of the element   s formaction attribute  if the element is a Submit Button and has such an attribute  or the value of its form owner   s action attribute  if it has one  or else the empty string    So they both still valid and works    lt form action    gt   lt form action  FULL URL STRING OF CURRENT PAGE  gt    If you are sure your audience is using html5 browsers  you can even omit the action attribute    lt form gt

[html] Submit HTML form on self page

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