Prevod PHP scriptu do JS

<?php

$banners[0]['ytb']="wXcPzrlnjp0"; 
$banners[0]['des']="Test1"; 

$banners[1]['ytb']="fpBpJYUdpsw"; 
$banners[1]['des']="Test2"; 

$id_banner = array_rand($banners); 

?>

<?php echo $banners[$id_banner]['ytb']; ?>
<?php echo $banners[$id_banner]['des']; ?>

var banners = [
    {
        "ytb": "wXcPzrlnjp0",
        "des": "Test1"
    },
    {
        "ytb": "fpBpJYUdpsw",
        "des": "Test2"
    },
];

var id_banner = banners[Math.floor(Math.random() * banners.length)];

document.write(id_banner);