Nodejs Number to Hex Convert to_hex()

Method Source Code

Number.prototype.to_hex = function() {
   if (this === 0) {
      return "00";
   }/* w  w w .j  a  v a 2s.c  om*/

   var chars = "0123456789ABCDEF";
   var n = Math.max(0, this);
   n = Math.min(n, 255);
   n = Math.round(n);
   return chars.charAt((n - n % 16)/16) + chars.charAt(n % 16);
};

Related

1. toHex(length)

   Number.prototype.toHex = function(length) {
     var str = this.toString(16);
     while (str.length < length)
       str = '0' + str;
     str = str.toUpperCase();
     return str;
   };
   Number.prototype.toChar = function() {
     return String.fromCharCode(this);
   ...
   

2. toHex(offset)

   Number.prototype.toHex = function (offset) {
     return this.toString(16).toUpperCase()
   };
   

3. toHexByte()

   Number.prototype.toHexByte = function() {
       var s = this.toString(16).toUpperCase();
       if (s.length == 1) {
           s = "0" + s;
       return ">" + s;
   };
   

4. toHexByteShort()

   Number.prototype.toHexByteShort = function() {
       var s = this.toString(16).toUpperCase();
       if (s.length == 1) {
           s = "0" + s;
       return s;
   };
   

5. toHexWord()

   Number.prototype.toHexWord = function() {
       var s = this.toString(16).toUpperCase();
       while (s.length < 4) {
           s = "0" + s;
       return ">" + s;
   };
   

6. hex()

   Number.prototype.hex = function () {
     return "0x" + this.toString(16);
   };
   

7. hex(len)

   Number.prototype.hex = function(len) {
     var str = this.toString(16).toUpperCase();
     if(len != null)
       str = (Array(len).join('0') + str).slice(-len);
     return '0x' + str;
   var utils = {
     toHex: function(str) {
       return '0x' + Number(str.charCodeAt(0)).toString(16).toUpperCase();
   ...
   

8. printHex(bits)

   Number.prototype.printHex = function(bits)
     var zeros = '';
     var len = bits/4;
     for(var i=0;i<len;i++)
       zeros+='0';  
     return (""+zeros + this.toString(16)).substr(-1*len).toUpperCase();