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<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_number by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:18:27 GMT --></html>