x
<html><body><h1>JavaScript Numbers</h1><h2>The Number.isFinite() method</h2><p>Number.isFinite() returns true if the value is a finite, legal number:</p><p id="demo"></p><p>Number.isFinite() is not supported in Internet Explorer 11 (or earlier).</p><script>let result = Number.isFinite("123");document.getElementById("demo").innerHTML = result;</script></body><!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_isfinite_number1 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:39:11 GMT --></html>