php - How can insert a javascript script on database? -

i have javascript script , im trying insert on databse echo on screen.

i tried:

$script = base64_encode( $script  );     mysqli_query($con,"insert myscripts (id,script)   values (419,'{$script}')");   echo stripslashes( base64_decode( $row["script"] ) ) ; 

when prints on screen, erros:

uncaught syntaxerror: invalid or unexpected token uncaught syntaxerror: missing ) after argument list