Question

106

How to get submit button POST Data while submitting by JavaScript form.submit()

rated 0 times [ 110] [ 4] / answers: 1 / hits: 15500 / 15 Years ago, wed, november 18, 2009, 12:00:00

Let's say I have this form and script:

<SCRIPT LANGUAGE=JavaScript>

function handleSubmit() {   

    return false;  

 }   

function Delete(element) {  

var is_confirmed = confirm(Delete this record? n + title +   + date);  

if (is_confirmed) {         

    document.getElementById(Novinky).submit();

}

}

</SCRIPT> 



<form  action=index.php method=post id=Novinky onsubmit=return handleSubmit();> 

<input onclick=Delete(this) value=Smazat name=delete[12] type=submit />

</form>

Is there a way to get the submit button data (delete[] -> Smazat) to the POST request?

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austynp

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answered 15 Years ago daphnew · Accepted Answer

It seems that you are submitting a different form than the one that contains the Delete button (id=Novinky). In this case you could add a hidden field in this form and set it's value to the value of the Delete button just before submitting it:

if (is_confirmed) {                     

    document.getElementById('myhiddenfield').value = element.value;

    document.getElementById('Novinky').submit();

}

UPDATE:

Instead of attaching a click handler to the delete button you could do this:

<script type=text/javascript>

function handleSubmit() {   

    return confirm('Delete this record?');  

}   

</script> 



<form  action=index.php method=post id=Novinky onsubmit=return handleSubmit();> 

    <input value=Smazat name=delete[12] type=submit />

</form>

This will automatically post the value of the Delete button when you submit it.

UPDATE2:

<script type=text/javascript>

function handleSubmit() {

    // check which button was clicked:

    alert(window.clicked);

    return confirm('Delete this record?');

}

</script>



<form  action=index.php method=post id=Novinky onsubmit=return handleSubmit();>         

    <input onclick=window.clicked=this.value; value=Smazat name=delete[12] type=submit />

</form>