How to guess the paragraph last word is true or false using javascript?

Html page:

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

Javascript page:

<script>

function myFunction()

 {

    var str = "Hello world, welcome to the universe.";

    var n = str.endsWith("to");

    document.getElementById("demo").innerHTML = n;

}

</script>

Output:

True