Редактирование кода:
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<!DOCTYPE html> <html> <body> <p>Numeric constants, preceded by 0x, are interpreted as hexadecimal.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { document.getElementById("demo").innerHTML = "0xFF = " + 0xFF; } </script> </body> </html>