how to post value from java script to Php?

valen53

anyone know about how to post the value from java script to php ? i use onChange () to post value.

below code was syntax error when run in browser ... but i dunno which code are error . anyone can help me ?
Thank u

<?php
echo '
<script language="JavaScript1.2">
function browse(form)
{
var site = form.supplier_id.options[form.supplier_id.selectedIndex].value;
';

$query = "Select * from member where Name='$site'";
$result = mysql_query($query);
$row = mysql_fetch_array($result);

echo'
form.address.value = '.$row[Address].' ;
}
</script>
';
?>

craigh

the only way to get javascript variable value into PHP is to post/get it as a form value.

valen53

can u show me example about post value?

my code something like , i select a supplier , then onChange () post value to java script , then select from DB to get the supplier Address. then display in Address field .

The problem is syntax error.

craigh

Originally posted by valen53
can u show me example about post value?

my code something like , i select a supplier , then onChange () post value to java script , then select from DB to get the supplier Address. then display in Address field .

in your onChange event, submit the form, then pull the value from the form and use it to query the DB. Then display. Actually , you probably don't need the onChange event. :-)