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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Performing Mathematical Operation on Non-numeric Values</title> </head> <body> <script> // Creating variables let x = 10; let y = "foo"; let z = NaN; // Subtracting a number from a non-numeric string document.write(y - x); // NaN document.write("<br>"); // Multiplying a number with a non-numeric string document.write(x * y); // NaN document.write("<br>"); // Dividing a number with a non-numeric string document.write(x / y); // NaN document.write("<br>"); // Adding NaN to a number document.write(x + z); // NaN document.write("<br>"); // Adding NaN to a string document.write(y + z); // fooNaN </script> </body> </html>
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