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<!DOCTYPE html> <html> <body> <script> var a = Number.isFinite("1993"); var b = isFinite("1993"); document.write(a + "<br>"); document.write(b + "<br>"); </script> </body> </html>
<!DOCTYPE html> <html> <body> <script> var a = Number.isFinite("1993"); var b = isFinite("1993"); document.write(a + "<br>"); document.write(b + "<br>"); </script> </body> </html>