Parse hex string and redisplay as base 10 and character equivalents.

gistfile1.js

var str = "90036F4920203080030049202030",
	res = [];

for (var i = 0; i < str.length; i += 2) {
  var hex = str.substr(i, 2),
  		num = parseInt(hex, 16),
  		char = String.fromCharCode(num)
  		pr = hex + "\t" + num + "\t" + char + "\n";

  	res.push(pr);
  console.log (pr);
}