<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js"></script>
<table border=2 cellspacing=4>
<tr><td>1</td><td></td></tr>
<tr><td>2</td><td></td></tr>
<tr><td>3</td><td></td></tr>
<tr><td>4</td><td></td></tr>
</table>
<script>
$(function(){
$("table").find("tr").hide().slice(1,3).show();
})
</script>
the above code cannot be copied to the browser"s console, run?