plz answer need help

Question

how does the on click element work and i use it to execute other th8ngs if so can you list a few

Answer 1

<button onclick="c()">Click Me</button>

<p id="c"> </p>

<script>
function c()
{
document.getElementById("c").innerHTML = "You clicked that button";
}
</script>

Answer 2

thanks you for showing how it works now can you explain it