/* Copyright (C) 2019 Thanasis Vergoulis

*

* This code is a free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This code is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*

* Contact email: [email protected]

*/

var pressed_keys = new Array(); //The last pressed keys.

var konami_keys = new Array(38,38,40,40,37,39,37,39,66,65); //The keys of konami code.

var cur_key_indicator = 0; //An indicator pointing to the current key.

/**

* Listening for ... the konami code!! :-)

*/

function konami_code(e)

{

var KeyID = (window.event) ? event.keyCode : e.keyCode;

if( KeyID == konami_keys[cur_key_indicator] )

{

cur_key_indicator = cur_key_indicator+1;

}

else

{

cur_key_indicator = 0;

}

if( cur_key_indicator == 10)

{

//PLACE YOUR PAGE-SPECIFIC CODE HERE! a simple example follows

alert("Easter egg!");

}

}