php echo call javascript function with parameters

1var deleteClient = function(id) {
2    $.ajax({
3        url: 'path/to/php/file',
4        type: 'POST',
5        data: {id:id},
6        success: function(data) {
7            console.log(data); // Inspect this in your console
8        }
9    });
10};

1<?php echo "<script> autoFill(".$dropDown.", ".$emptyDropDown."); </script>"; ?>

1// Most effective way to call a javascript function with parameter of PHP variable
2echo '<input type="button" value="Button" onclick="return openEditor(\'' . $path_image . '\')">';