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<!DOCTYPE html> <html> <body> <h2>JavaScript Variables</h2> <p>Subtracting a string from a string, does not generate an error but returns NaN (Not a Number):</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = "Hello" - "Dolly"; </script> </body> <!-- /js/tryit.asp?filename=tryjs_best_string_op1 Thu, 06 Feb 2025 19:15:30 GMT --> </html>
