What will be the content of the paragraph after the user clicks on it twice?

Question

HTML :
<p id='txt' onclick='test();'>20</p>
JS :
<script>
function test() {
var x=document.getElementById('txt');
var n = x.innerHTML;
x.innerHTML = n/2;
}
</script>
Will someone elaborate this to me

Answer 1

Obviously 20/2 results in 10 on first click ,on second click 10/2 results in 5

Answer 2

function substrNumbrs(first, second)
{
var result = first - second;

result;
}
document.write(substrNumbrs(10, 5));
can you fun would before return

Answer 3

What will be the content of the paragraph after the user clicks on it twice?
<p id='txt' onclick='test();'>20</p>
<script>
function test() {
var x=document.getElementById('txt');
var n = x.innerHTML;
x.innerHTML = n/2;
}
</script>

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ANSWER 5