Method Number.toHex

Return the hexidecimal string representation of an integer

• Syntax String Number.toHex()
  
  Convert a decimal integer to a hexidecimal string.
• Return value The hexidecimal string representation of the decimal integer.
• Examples

  Convert 255 to hex

  // Declare variable
  var n = 255;
  // Output is FF
  n.toHex();

• Resources See also the native toString method of the Number object which will let you convert numbers to any base.
• Download
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  Source

  Unless otherwise noted all code in the JSLab Standard Library is licensed as GPLv3. See http://www.gnu.org/licenses/gpl.html for the entire license.

  This function has dependencies and will not work stand-alone. Use the download button above instead of copy/paste.

  // ************************************************************************** // Copyright 2007 - 2009 Tavs Dokkedahl // Contact: http://www.jslab.dk/contact.php // // This file is part of the JSLab Standard Library (JSL) Program. // // JSL is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // any later version. // // JSL is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. // *************************************************************************** // Return the hexidecimal string representation of an integer Number.prototype.toHex = function() { // Only convert integers if (!this.isInteger()) throw new Error('Number is not an integer'); // Can't assign to 'this' so we must copy var d = this; // Quotient and remainder var q = r = null // Return value var s = ''; do { q = Math.floor(d / 16); r = d % 16; // If r > 9 then get correct letter (A-F) s = r < 10 ? r + s : String.fromCharCode(r + 55) + s; d = q; } while(q) return s; };