Nodejs Number to Hex Convert toHex(length)

Method Source Code

/***********************************************
*   Number display methods//from  www  .ja  v a 2  s  .  c  om
************************************************/

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);
};

/***********************************************
*   Number modification methods
************************************************/

Number.prototype.mod = function(num) {
   return ((this%num)+num)%num;
};
   
Number.prototype.byteWrap = function(bits) {
   return this.mod(1 << bits);
};

Number.prototype.bitSet = function(bit) {
   return this | (1<<bit);
};

Number.prototype.bitUnset = function(bit) {
   return this & ~(1<<bit);
};

Number.prototype.bitToggle = function(bit) {
   return this ^ (1<<bit);
};

Related

1. toHex()

   Number.prototype.toHex = function() {
     var hex = this.toString(16);
     if (hex.length == 1) {
       hex = "0" + hex;
     return hex;
   

2. toHex()

   Number.prototype.toHex = function () {
     var upper = (this.valueOf() >> 4) & 0x0F,
       lower = this.valueOf() & 0x0F;
     return upper.toString(16) + lower.toString(16);
   };
   

3. toHex()

   Number.prototype.toHex = function() 
     try
       var val = this.valueOf();
       val = parseInt(val);
       val = Math.max(0,val);
       val = Math.min(val,255);
       val = Math.round(val);
   ...
   

4. toHex()

   Number.prototype.toHex = function() {
     if (this < 16) {
       return '0' + this.toString(16); 
     return this.toString(16);
   

5. toHex(len)

   "use strict";
   Number.prototype.toHex = function(len) {
       var str = this.toString(16);
       str = str.toUpperCase();
       str = str.substr(0, len);
       while(str.length < len) {
           str = "0" + str;
       return str;
   ...
   

6. toHex(offset)

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

7. toHexByte()

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

8. toHexByteShort()

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

9. toHexWord()

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