Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>Click the button to parse different strings.</p>

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

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

<script>
function myFunction() {
    var a = parseFloat("10") + "<br>";
    var b = parseFloat("10.00") + "<br>";
    var c = parseFloat("10.33") + "<br>";
    var d = parseFloat("34 45 66") + "<br>";
    var e = parseFloat("   60   ") + "<br>";
    var f = parseFloat("40 years") + "<br>";
    var g = parseFloat("He was 40") + "<br>";

    var n = a + b + c + d + e + f + g;
    document.getElementById("demo").innerHTML = n;
}
</script>

</body>
</html>