GRANT ALL PRIVILEGES ON klienci TO adam;
REVOKE SELECT, INSERT, UPDATE ON klienci FROM adam;

var x = 1;
var y;
/*0*/ ++y;
/*1*/ document.write(++x);
/*2*/ document.write(" ");
/*3*/ document.write(x--);
/*4*/ document.write(" ");
/*5*/ document.write(x);

<input type="text">
<input type="number">
<input type="email">
<input type="number">
<input>

input[type="number"] {
    background-color: Teal;
}

<script>
  var imiona = ["Ala", "Ola", "Ela", ""];
  tymczasowa=imiona.length;
</script>

obiekt = { q: 1, w: 2, e: 3, r:4 };

$tab = array();
for ($i = 0; $i < 10; $i++)
{
    $tab[$i] = rand(-100, 100);
}

foreach ($tab as $x)
{
    if ($x < 0)
        echo "$x ";
}

javascript
document.write(Math.round(4.51) + Math.pow(2, 3));