jQuery - add text and var to value

Question

I want to add normal text and a jQuery value to an input value.

var amount = $(\'option:selected\', this).val();
    $(\'.customfield\').val(\'clicks,

        

Answer 1

Try this

var amount = $('option:selected').val();
$('.customfield').val('clicks, <?php echo $userdata["id"] ?>,'+amount+');

Answer 2

Try this:

    $('.customfield').val('clicks,<?php echo $userdata["id"] ?>,' + amount);

//--------double quote to id as is open and   ---------^^^^
//                   closed by single quote and remove last +

Answer 3

var amount = $('option:selected').val();
    $('.customfield').val('clicks,<?php echo $userdata['id'] ?>,' + amount);

Answer 4

var amount = $('option:selected').val(); // or var amount = $('#selectDropwdownId').val();
    $('.customfield').val("clicks,<?php echo $userdata['id'] ?>," + amount );