<!DOCTYPE html>
<html>
<body>
<p>Click the button to display the engine name of the browser.</p>
<button onclick="myFunction()">Try it</button>
<p>The navigator.product property is not supported in IE10 and earlier versions, or Opera 12 and earlier versions.</p>
<p id="demo"></p>
<script>
function myFunction() {
var x = "Browser's Engine Name: " + navigator.product;
document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>