Nodejs Hex Decode hexDecode()

Here you can find the source of hexDecode()

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  5. hexDecode()

Method Source Code

String.prototype.hexDecode = function() {
  var j;/*ww w . j  a  v a2  s  .co m*/
  var hexes = this.match(/.{1,4}/g) || [];
  var back = "";
  for (j = 0; j < hexes.length; j++) {
    back += String.fromCharCode(parseInt(hexes[j], 16));
  }

  return back;
};

function unicode2chinese(str) {
  return unescape(str.replace(/\\u/g, '%u'));
}

var str = "\u6f22\u5b57"; // "\u6f22\u5b57" === "??"
console.log(str.hexEncode().hexDecode());
console.log(unicode2chinese(str));

Related

  1. hexDecode8()
    String.prototype.hexDecode8 = function(){
    var j;
    var hexes = this.match(/.{1,2}/g) || [];
    var back = "";
    for(j = 0; j<hexes.length; j++) {
        back += String.fromCharCode(parseInt(hexes[j], 16));
    return back;