convert hexadecimal javascript code example

Example 1: to hex javascript

var rgbToHex = function (rgb) { 
  var hex = Number(rgb).toString(16);
  if (hex.length < 2) {
       hex = "0" + hex;
  }
  return hex;
};

Example 2: javascript hex to string

function hex_to_ascii(str1)
 {
	var hex  = str1.toString();
	var str = '';
	for (var n = 0; n < hex.length; n += 2) {
		str += String.fromCharCode(parseInt(hex.substr(n, 2), 16));
	}
	return str;
 }