handle long key presses in javascript

Question

I am trying to get keys from users using javascript and storing it in a javascript object.
i.e when i press \'A\', 1 should be added to myJSON[65].
The following cod

Answer 1

Try keyup:

var myJSON={65:[],83:[],68:[],70:[],71:[]};
window.onkeyup=function(e){
    console.log(myJSON);
    myJSON[parseInt(e.keyCode)].push(1);
}