Nodejs String to Hex Convert toHexString()

Method Source Code

Number.prototype.toHexString = function() {
   if (this === null) { return null; }
   if (isNaN(this)) { return this; }
   var num;/*from   ww  w  .j a  va2  s  .c  o  m*/
   var hex;
   if (this < 0) {
      num = 0xFFFFFFFF + this + 1;
   }
   else {
      num = this;
   }
   hex = num.toString(16).toUpperCase();
   return "0x" + ("00000000".substr(0, 8 - hex.length) + hex);
}

Related

1. hex10()

   String.prototype.hex10 = function() {
     var x= (/^\#/.test(this))? this.substring(1): this;
     return parseInt(x,16);
   

2. hex2Dec()

   String.prototype.hex2Dec = function() {
     return parseInt(this,16);
   };
   

3. toHex()

   String.prototype.toHex = function () {
       var self = this,
           hex, regex = /\(([^)]+)\)/,
           rgb = regex.exec(self)[1].split(','),
           red = parseInt(rgb[0]), 
           green = parseInt(rgb[1]), 
           blue = parseInt(rgb[2]); 
       function toHEX(r, g, b) {
           r = r.toString(16).length ==1 ? r.toString(16)+r.toString(16):r.toString(16);
   ...
   

4. toHex()

   String.prototype.toHex = function() {
     for (var i = 1, j = this.length, $ = this.charCodeAt(0).toString(16); i<j; i++) $ += ' ' + this.charCodeAt(i).toString(16);
     return $;
   };
   

5. toHex(v1)

   Util.toHex = function(v1) {
     var res = (new Number(v1).toString(16));
     if (res.length == 1) {
       res = "0" + res;
     return res;
   

6. toHexString()

   String.prototype.toHexString = function()
     var res = [];
     for(var i=0, j=this.length; i < j; ++i)
       var chr = this.charCodeAt(i).toString(16);
       chr = ((chr.length == 1)?'0':'') + chr;
       res.push(chr);
     return res.join(' ').toUpperCase();