Anti mail spammer

decode.js

setTimeout(function() {
  var encoded = 'eycptqkGmkx|ys=s€';
  var decoded = Array.prototype.map.call(encoded, function(c, i) {
    return String.fromCharCode(c.charCodeAt(0) - i);
  }).join('');

  $('#contact').html($('<a></a>')
    .attr('href', 'mailto:' + decoded)
    .text(decoded));
}, 3000)

encode.js

var email = Array.prototype.map.call('example@example.com', function(c, i) {
	return String.fromCharCode(c.charCodeAt(0) + i);
}).join("");

console.log(email)