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<!DOCTYPE html> <html> <body> <h1>JavaScript Numbers</h1> <h2>The isFinite() Method</h2> <p>The isFinite() method returns false if the argument is Infinity or NaN.</p> <p>Otherwise it returns true.</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = isFinite(10 / 0) + "<br>" + isFinite(10 / 1); </script> </body> </html>
