Answer 1

Hello! Here new code the game clicker ↓↓↓
<button onclick="Func()"> click </button>
<p id="main"> 0 </p>
<script>
var count = 0;
function Func() {
document.getElementById('main').innerHTML = ++count;
}
</script>

Answer 2

You can do this as follows ↓↓↓ :)
<button onclick="Func()"> click </button>
<p id="main"> 0s</p>
<script>
var count = 0;
function Func() {
document.getElementById('main').innerHTML = ++count + "s";
}
</script>

Answer 3

<button onclick="Func()"> click </button>
<p id="main"> 0s</p>
<script>
var count = 0;
function Func() {
document.getElementById('main').innerHTML = ++count + "s";
count = ++count / 1;
}
</script>
try it ↑↑↑ :)