JS - get current URL

Question

<!--Click 'button' to get the current URL-->
<button onclick="myFunction()">button</button>

<p id="result"></p>

<script>
function myFunction() {
    var x = location.href;
    document.getElementById("result").innerHTML = x;
}
</script>

Answer 1

<script>
document.getElementById("demo").innerHTML = 
"The full URL of this page is:<br>" + window.location.href;
</script>

Answer 2

window.location.href