/*JavaScript Unleashed, Third Editionby Richard Wagner and R. Allen Wyke ISBN: 067231763XPublisher Sams CopyRight 2000*/<html><head> <title>JavaScript Unleashed</title></head><body> <script type="text/javascript"> <!-- // Declare variables var originalInt; // intValue can be any 8 bit value. var intValue = 0xDC; var controlValue = 0xF; var fourBitValue; var hexChar = ""; var hexString = ""; document.writeln("When displaying integers from memory,"); document.writeln("JavaScript always uses their decimal "); document.writeln("equivalent: " + intValue); originalInt = intValue; fourBitValue = controlValue & intValue; hexChar = (fourBitValue == 0x0) ? "0" : hexChar; hexChar = (fourBitValue == 0x1) ? "1" : hexChar; hexChar = (fourBitValue == 0x2) ? "2" : hexChar; hexChar = (fourBitValue == 0x3) ? "3" : hexChar; hexChar = (fourBitValue == 0x4) ? "4" : hexChar; hexChar = (fourBitValue == 0x5) ? "5" : hexChar; hexChar = (fourBitValue == 0x6) ? "6" : hexChar; hexChar = (fourBitValue == 0x7) ? "7" : hexChar; hexChar = (fourBitValue == 0x8) ? "8" : hexChar; hexChar = (fourBitValue == 0x9) ? "9" : hexChar; hexChar = (fourBitValue == 0xA) ? "A" : hexChar; hexChar = (fourBitValue == 0xB) ? "B" : hexChar; hexChar = (fourBitValue == 0xC) ? "C" : hexChar; hexChar = (fourBitValue == 0xD) ? "D" : hexChar; hexChar = (fourBitValue == 0xE) ? "E" : hexChar; hexChar = (fourBitValue == 0xF) ? "F" : hexChar; // Build hexString placing digits from right to left hexString = hexChar + hexString; // Shift intValue four bits right intValue = intValue >> 4; // Extract the next four bit value fourBitValue = controlValue & intValue; // Find the matching hex value and assign its string // equivalent to hexChar. hexChar = (fourBitValue == 0x0) ? "0" : hexChar; hexChar = (fourBitValue == 0x1) ? "1" : hexChar; hexChar = (fourBitValue == 0x2) ? "2" : hexChar; hexChar = (fourBitValue == 0x3) ? "3" : hexChar; hexChar = (fourBitValue == 0x4) ? "4" : hexChar; hexChar = (fourBitValue == 0x5) ? "5" : hexChar; hexChar = (fourBitValue == 0x6) ? "6" : hexChar; hexChar = (fourBitValue == 0x7) ? "7" : hexChar; hexChar = (fourBitValue == 0x8) ? "8" : hexChar; hexChar = (fourBitValue == 0x9) ? "9" : hexChar; hexChar = (fourBitValue == 0xA) ? "A" : hexChar; hexChar = (fourBitValue == 0xB) ? "B" : hexChar; hexChar = (fourBitValue == 0xC) ? "C" : hexChar; hexChar = (fourBitValue == 0xD) ? "D" : hexChar; hexChar = (fourBitValue == 0xE) ? "E" : hexChar; hexChar = (fourBitValue == 0xF) ? "F" : hexChar; hexString = hexChar + hexString; document.write("<br>" + originalInt + " displayed in"); document.write(" hexadecimal :"); document.writeln(hexString); // end hiding --> </script></body></html>
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