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Expressing php code in Javascript

I am trying to insert html code through a php variable in javascript. I am getting the following error below. Please can someone advise?
Error Message: "Unexpected Identifier 'Inactive'" ($option has values 'Inactive'/ 'Active')
PHP
$tr_active_Options = '';
$sql1 = "SELECT status FROM tr_active";
$result = $mysqli -> query($sql1);
while($row = $result -> fetch_assoc()){
$option = $row['status'];
$option = '<div class="dpOtions" onclick="track.addChosenOption(\''.$option.'\', \'act_ui\')">'.$option.'</div>';
$tr_active_Options .= $option;
}
$tr_active = '<div class="drpClass"><div class="dropOptionsDiv" id="actList_ui">'.$tr_active_Options.'</div></div>';
JAVASCRIPT
document.getElementById('anchor').innerHTML = '<div id="editWrap"><?php echo $tr_active; ?></div>';

The ' in your string are terminating the JavaScript string you've started with '.
You can safely have PHP generate a string for use in JavaScript using json_encode, like so:
document.getElementById('anchor').innerHTML =
'<div id="editWrap">' +
<?php echo json_encode($tr_active); ?> +
'</div>';
Note how the JavaScript string ends, then we use + to join it with the one that PHP will output (json_encode will handle the strings), then we + it with another JavaScript string after it. What the browser will see will look like this:
document.getElementById('anchor').innerHTML =
'<div id="editWrap">' +
"contents of $tr_active here" +
'</div>';
...which is valid.
That said: Using PHP to generate HTML with embedded JavaScript inside attributes is asking for a world of hurt. Separate those concerns! :-)

javascript variable in php code

Hi guys I'm working with google charts.
I'm using PHP to capture the data i need from a database which is then stored into a incramental varible (month1 , month2, etc.)
Now i need to pass this to javascript when i was using just a set number of months this was fine as i used the code:
var month1="<?php echo $month1value; ?>";
I created a while loop that starts [i] at 1 and then increases to the number of months used.
I am new to javascript so assumed i would be able to do something like this:
var month[i] = "<?php echo $month" + i + "value; ?>";
however this doesn't work and i get:
Parse error: syntax error, unexpected '" + i + "' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ';'
Can anyone help?

you don't need save data in variable (month1 , month2, etc.).
you can you something like this:
echo "<script type='text/javascript'>";
while ($row = mysql_fetch_array($result)) {
echo "var month[i] = " . $row["month"] . ";";
}
echo "</script>";
I hope this code help you

Pass a variable from JavaScript to PHP

I'm trying to pass the variable from a JavaScript function - selected text - to the same page using php post method:
if (isset($_POST['u_name']))
{
echo $_POST['u_name'] . '</p>';
}
echo "<script type='text/javascript'>";
echo "var var1 = 0; var range = window.getSelection ();";
echo "function gst () { var range = window.getSelection (); alert (range.toString ()); var1 = range.toString ();}";
echo "document.write('<form method=\'post\'>');";
echo "document.write('<p>selected area:<br />');";
echo "document.write('<button onclick=\'gst ()\' type=\'submit\' name=\'u_name\' value = \'' + var1 + ' \' />Button</button>');";
echo "document.write('</form>');";
echo "alert (interesting);";
echo "</script>";
after pressing the button the selected page text is correct: it is checked with alert (range.toString ()) , however, the initial value of var1 variable - 0 is posted.
What could cause it and how one can pass the value, obtained from the javascript function through post method ?
Anton

That's because you set value attribute on the page load.
You can change it dynamically on button click. Replace one of your rows to:
echo "document.write('<button onclick=\"this.setAttribute(\'value\', var1); gst()\" type=\'submit\' name=\'u_name\' value = \'' + var1 + ' \' />Button</button>');";
Note this.setAttribute.

If you want to pass JavaScript variables to PHP, you'll have to use an Ajax request.
PHP is server sided, whereas JavaScript is client sided. This means that all PHP code is done before any JavaScript is even triggered. You can manipulate JavaScript with PHP, but if you want to manipulate PHP with JavaScript, use an Ajax call.

SyntaxError: unterminated string literal var address = "

I've this problem at the var address line, i think to have write all correctly or not?
<?php for ($i = 1; $i <= count($data); $i++) { ?>
var address = "<?php echo $address[$i].','.$city[$i].','.$region[$i] ?>";
alert(address);
<?php } ?>

You're generating javascript with php and the error you get comes from the javascript part, not php. I guess that one of your variables like $address contains something that isn't valid in js strings, like a newline. The best practice is to use json_encode to encode values for use in javascript:
var address = <?php echo json_encode($address[$i].','.$city[$i].','.$region[$i]) ?>;

Uncaught ReferenceError: testString is not defined

This is really weird..
I need to send a couple of variables through to jquery from PHP.. one is an INT and the other a string.
When $a is an INT it works fine but when i use a string, i get this error.. Uncaught ReferenceError: testString is not defined
Here is my code.
<?php $a = 'testString'; ?>
<script type="text/javascript">
var a = <?php echo $a; ?>;
alert(a);
</script>
I assumed that i needed to stick a (int) or (string) before the variable, but i wasn't entirely sure how to and unsuccessful in my googles/attempts.
Any ideas?

You forgot the quotes to make the value of var a a string:
var a = "<?php echo $a; ?>";
What you're writing into the document is:
var a = testString;
so javascript is looking for a variable called testString. Instead, you want the result to be:
var a = "testString";
so make sure you include the quotes around what php is writing in.

There are quotes missing in javascript code:
<script type="text/javascript">
var a = '<?php echo $a; ?>';
alert(a);
</script>