js

gistfile1.txt

// Here You can type your custom JavaScript...

document.onkeydown = function(evt) {
    evt = evt || window.event;
     console.log(evt.keyCode);   
    if (evt.keyCode == 78) {
        //alert("Escape");
        document.querySelector('a.pg:last-child').dispatchEvent(new MouseEvent('click'));
    }
    if (evt.keyCode == 80) {
        //alert("Escape");
        document.querySelector('.pre-btn a').dispatchEvent(new MouseEvent('click'));
    }
};